Hayward heater if code

Installation in Combination with Solar or Gas Heaters 10 Using an External Controller 11 ... Meaning of Display Codes 18 Troubleshooting 19 Requesting Assistance or Service 21 Maintenance 22 Winterizing 22 Heat Pump Pool Heater Limited Warranty 23 International Warranty 24 Warranty Card Registration 25. Thank you for buying a Hayward pool heat ...

Feb 7, 2020. #3. I have the same issue. I have turned off the breaker and the code persists. From what I have read this is a common issue (my heater is only 6 month old) . I don't use my keypad to control the heater (its controlled by the OmniLoigic controller). Anyone have an opinion if its worth replacing the keypad if I always control via ...The Hayward Heater CE Code is a critical aspect of your pool heater's safety, performance, and compliance. It's not just a technicality but a mark that signifies that your heating system meets stringent European standards. Whether you're in Europe or elsewhere, CE Code compliance is a valuable indicator of quality and safety. ...Install a Hayward replacement for any competitor’s pump, heater, filter or other select items. SNAP Snap clear photos of the before & after installation products, the Hayward replacement serial number, and the installation invoice.Discover the power of heat pumps for efficient pool heating with Hayward's comprehensive knowledge base. Learn about the latest advancements in heat pump technology, explore our range of energy-efficient models. ... With a heat pump, heat is transferred from the surrounding air to the pool water. Gas heaters can operate in almost any climate ...The document provides troubleshooting information for Hayward pool heaters, including: 1. Error codes and their meanings to help diagnose issues, such as a blocked ...My Hayward h400 pool/spa heater will not turn on any longer. It is getting power but the combustion blower which turns on first is not turning on. There is no gas smell and no igniter spark happening. ... Hi I have a 2 year old Hayward h series heater showing a "bd" code what is wrong? ...Hayward Pool Heater Lo Code Mother-in-law just installed a heater for her pool, I've never worked on pools but have done my best to research with no avail. I don't believe we need to backwash the system because the pool and heater are both brand new. ... If it still doesn't work call Hayward cuz you could have a bad a pressure/flow sensor ...First, turn off the power to the pool heater circuit breaker. This should immediately shut down the pool heater. If the circuit breaker does not shut off, you should call a professional service technician to come out and inspect the problem. Next, check the fuse box located near the pool pump. The fuses should be in good condition.

May 12, 2023. #1. Hey guys long time reader, but just getting frustrated trying to find the right steps/diagnostics for my issue. I have an 11year old Hayward (H400FDN) heater, 2 years ago I replaced all the boards. The heater has worked like a champ since. This past week we were using the heater quit and started throwing the IF code.When ordering parts, include the complete pool heater model number listed on the unit’s rating plate, located near the junction boxes on the exhaust side of the heater. (Example: HDF400) All ser- vice must be performed by a qualified technician. View and Download Hayward HDF400 installation & operation manual online.Our network of certified personnel can help you build your pool, recommend a product, repair a faulty product, and test your water. Find a professional near you. Hayward offers environmentally responsible, cutting-edge pool and spa equipment for residential and commercial, in-ground and above-ground pools.If the heater is connected to the line side of the circuit it will be powered at all times. In this situation, when the pump shuts down the heater will display a fault code of “LO”. If there is a call for heat and the pump then restarts there will be a 2-minute delay for the heater to fire. After the pump has been running for atCall the professionals of Mr. Rooter Plumbing of Hayward or request an appointment online. Check Availability. Let us help with your Water Heater Installation Services in Hayward, CA. Check Availability. or call (510) 616-9805.The Hayward Municipal Code is updated on a regular basis. Review the Municipal Code here: Hayward Municipal Code. For additional information on the Hayward Municipal Code, please contact the Office of the City Clerk at 510.583.4400. Traffic Code & Regulations. Traffic codes are regulations governing parking and traffic movement.

Hayward H-Series H250IDL2 - H400IDL2 Low NOx Pool Heater Parts. Starting from $15.79. Shop Now. Hayward HeatPro HP6003T, HP11003T HP21003T HP21203T HP2100TC03T Pool Heat Pump Parts. Starting from $7.99. Shop Now. Hayward HeatPro HP1100 2100 2100TCO 600 ABGDELUXE PE42B2S PE52A PE52A6TCO Part Schematic.We have a older Hayward heater that needs something because we have a older Hayward heater that needs something because our pool is small 16 x 28 and it takes a good 6 hours to heat. Live in Henderson NV do we need a new element or can you recommend someone.A protective winter cover is also offered by your retailer. 22 OWNER'S MANUAL Hayward® Heat Pump Pool Heater Limited Warranty The Hayward heat pump pool heater is warranted by the manufacturer to be free of defects in materials and workmanship for a period of two (2) years for parts and (1) one year for labor.Hayward W3H300FDN Universal H-Series Low NOx 300,000 BTU Natural Gas Residential Pool and Spa Heater with Bundle* Warranty Better Buy Pool Supply will provide you with the Full 2 Year Manufacturer's Warranty plus 1 Year Installation Warranty upon installation by our professionals. From the Manufacturer The Universal H-Series is an energy efficient, high performance, installation […]

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With the hayward pool heater p5 code, you can enjoy efficient and reliable heating for your pool. This innovative heater is designed to provide optimal comfort and convenience, allowing you to enjoy your pool all year round. The p5 code feature offers enhanced diagnostics and troubleshooting capabilities, ensuring that any issues can be …2. Friendswood/Texas. Nov 18, 2015. #1. I recently had a problem with our Hayward H250IDL2 heater. It showed an "IF" code, which stands for Ignition Failure. I do my own maintenance when I am able to, so I pulled the covers off of the unit and started trouble shooting. I did not manage to resolve the problem, so I called my local pool service ...Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. Gain insight. Support. ... Phase Heaters: 1.0000: Pool Type: In Ground: Product Dimensions: 24 " x 22 " x 29.5 "Product Height: 24 in: Product Length: 29.5 in: Product Weight: 140 lb: Product Width:Hayward H150FDN Troubleshooting Manual. Universal h series heaters. Also See for H150FDN: Service & installation manual (64 pages) , Owner's manual (16 pages) 1. 2. Table Of Contents. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26.Here you'll gain easy access to information regarding your favorite Hayward products. Whether you are looking for a Quick Reference Guide, troubleshooting steps, or simply wish to view one of our product support videos, you have come to the right place. ... iPad Heater Navigation - OmniLogic Automation System. iPhone Favorites - OmniLogic ...

The IF code is indeed ignition failure. There are different models of Hayward units, some use a spark igniter, some use a glow igniter. Most of the time, the IF code means that the igniter has failed, the gas valve has failed, or on units with flame sensing technology, the flame sensor is dirty and needs to be cleaned with sandpaper. Enter a postal code to find the nearest Hayward authorized pool professional. ... Heaters (not including Heat Pumps) Heat Pumps. Lighting. Pumps. Variable Speed Pumps ... Service LED ON: “IF” Code Inspect main gas supply Verify gas valve is ON Step 12B Step 12A IF “Ignition Failure”, Ensure main gas supply is in Verify that the gas valve, inside the heater, is in the the ON position.The Hayward Municipal Code is updated on a regular basis. Review the Municipal Code here: Hayward Municipal Code. For additional information on the Hayward Municipal Code, please contact the Office of the City Clerk at 510.583.4400. Traffic Code & Regulations. Traffic codes are regulations governing parking and traffic movement.Diagnostic Codes For Hayward Heat PumpHayward H150FDN Troubleshooting Manual. Universal h series heaters. Also See for H150FDN: Service & installation manual (64 pages) , Owner's manual (16 pages) 1. 2. Table Of Contents. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26.Hayward products including, quick reference guides, troubleshooting steps, and product support videos.I have Hayward H150FDN Universal H-Series, Low NOx, 150,000 BTU, Natural Gas, Pool and Spa Heater and I am getting a LO code with is a flow problem. I have my intermatic timer set for 755am to turn on and give my equipment power, then at 8am the Hayward pump turn on. Can the heater be on...The Hayward Heater CE Code is a critical aspect of your pool heater's safety, performance, and compliance. It's not just a technicality but a mark that signifies that your heating system meets stringent European standards. Whether you're in Europe or elsewhere, CE Code compliance is a valuable indicator of quality and safety. ...

ManualsLib has more than 81 Hayward Swimming Pool Heater manuals. Click on an alphabet below to see the full list of models starting with that letter: A C E H S T W. Popular manuals. 43 pages. HeatPro® Owner's Manual. 12 pages. H100ID1 Installation & Operation Manual. 16 pages.

Feb 7, 2020. #3. I have the same issue. I have turned off the breaker and the code persists. From what I have read this is a common issue (my heater is only 6 month old) . I don't use my keypad to control the heater (its controlled by the OmniLoigic controller). Anyone have an opinion if its worth replacing the keypad if I always control via ...The screen on my heat pump doesn't turn on even though it is plugged in, what should I do?How To: Program Heater Bypass & Temperature Lockout Test/Adjust Gas Pressure. Troubleshooting: Diagnostic Codes and Part Numbers. Heater not powering up. Open …April 9, 2023 by William. Hayward pool heater IF code basically signifies the ignition failure of your heater system. The major reasons for Hayward pool heater code IF/ignition failure include lower gas supply, clogged filter, and malfunctioning of the gas and plumber valve. Also, a faulty transformer, defective flame sensor, bad igniter, and ...How You Can Fix Hayward Pool Heater 5F Code. 1. Faulty Wiring Connection on Circuit Board. 2. Corroded Temperature Sensor. 3. Bad Control Board. 4. Reset the Pool Heater.Remove front & rear panels Remove wires from limit switches. Step 13. Remove the 4 screws from the bottom of the front and rear panels and pull up and out to remove each one. Step 14. Use needle nose pliers to remove the 2 red wires from each of the high limit switches. Remove wires from water pressure switch.If you have an SF error code on your pool or spa Hayward heater I made a quick video how to fix it. I don't have an editing program so there's multiple video...

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View online or download Hayward H150FDN Owner's Manual, Troubleshooting Manual ... Brands; Hayward Manuals; Heater; H150FDN; Hayward H150FDN Manuals. Manuals and User Guides for Hayward H150FDN. We have 3 Hayward H150FDN manuals available for free PDF download: Troubleshooting ... Diagnostic Codes and Part Numbers. 19. …Start heater again. Does low side pressure drop below 30 psi for R-22 unit or 80 psi on a R-410A unit? Figure C. Replace LP switch. See Note 2 below NO Abandon existing switch on Hayward R-22 units. Replacement switch is a screw on switch. Use a swivel tee on the low side access port. On Summit and R-410A (4T) Hayward units the existing switch ...Jan 10, 2024 · Conclusion. In conclusion, troubleshooting the Hayward pool heater code 1F can be done by following a few simple steps. First, check the water flow to ensure there aren’t any blockages or restrictions. Next, inspect the pressure switch for any signs of damage or malfunction. If necessary, clean the heat exchanger to remove any debris or buildup. The Hayward Heater CE Code is a critical aspect of your pool heater's safety, performance, and compliance. It's not just a technicality but a mark that signifies that your heating system meets stringent European standards. Whether you're in Europe or elsewhere, CE Code compliance is a valuable indicator of quality and safety. ...Heater; H350FDP; Hayward H350FDP Manuals Manuals and User Guides for Hayward H350FDP. We have 5 Hayward H350FDP manuals available for free PDF download: ... Diagnostic Codes and Part Numbers. 19. Troubleshooting Guide. 20. Heater Not Powering up. 21. Open FC1&/FC2 Fuse. 27. Open FC3&/F1 Fuse. 29. Open FC4 Fuse. 32. BD" … Remove front & rear panels Remove wires from limit switches. Step 13. Remove the 4 screws from the bottom of the front and rear panels and pull up and out to remove each one. Step 14. Use needle nose pliers to remove the 2 red wires from each of the high limit switches. Remove wires from water pressure switch. Jun 13, 2020 ... Temperature sensor error , quick vid of changing water pressure switch. Sorry for crapy video no editing system yet. Heater must then be in Spa or Pool Mode for operation. The heater will fire when instructed by the external control. Control Configuration- Two wire Note: 104° maximum temperature. Step 1: Step 2: Step 3: Press the Mode button to place the heater in Standby Mode. Hold the Down Arrow and Mode buttons simultaneously for 3 seconds Explore Hayward Pool's Dealer Warranty Claims - Submit and Track Claims for Hayward Pool Products. Simplify warranty processes with our user-friendly platform. Get peace of mind and exceptional customer support. Shop now!Sep 10, 2023 · Clean the hayward heater regularly to prevent any debris buildup, which can trigger the if code. Remove leaves, sticks, and other objects from the heater. Check the air filter and clean or replace it as needed. A dirty filter restricts airflow and can cause the heater to overheat, resulting in the if code. If your Hayward pool heater is displaying the LO code, it means that the limit string is open and the heater will shut down and enter lockout mode. To fix the problem and close the limit string, you'll need to wait 2 minutes for the automatic restart. A malfunctioning temperature limit switch, water pressure switch, or vent pressure switch ...The Hayward H-Series' Finn Plate cupro-nickel heat exchanger has special V-groove design for faster heating and longer life. Hayward Universal H-Series, Low NOx, 150,000 BTU, Natural Gas, Pool and Spa Heater delivers energy efficient heating to your pool's water that you can trust. Hayward Universal H-Series - Versatility & Power ….

Turn the thermostat all the way up on the heat pump. These units are not compatible with 3 wire remotes. For 2 wire air switch installations remove the jumper between terminals 1 & 2 and replace it with the 2 wires from your switch. Set the thermostat on the heat pump to the desired temp. Wiring Diagram HPABG / HP380.Summary of Contents for Hayward H250FD. Page 1 POOL AND SPA/HOT TUB HEATERS H150FD, H200FD, H250FD, H300FD, H350FD & H400FD MODELS OWNER'S MANUAL FOR YOUR SAFETY WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property PRINTED 10/24/2011 AT 1:13 PM damage, injury, or death.My heater is a Hayward pool heater. I was sitting by the pool and all of a sudden there was a loud banging sound, I ran over to the heater and turned it off. The code that was displayed was H5. … read moreOur network of certified personnel can help you build your pool, recommend a product, repair a faulty product, and test your water. Find a professional near you. Hayward offers environmentally responsible, cutting-edge pool and spa equipment for residential and commercial, in-ground and above-ground pools.Call the professionals of Mr. Rooter Plumbing of Hayward or request an appointment online. Check Availability. Let us help with your Water Heater Installation Services in Hayward, CA. Check Availability. or call (510) 616-9805.The Hayward Universal H-Series gas heater is one of the most energy-efficient Pool and Spa heating solutions on the market! Its ground-breaking hydraulic design reduces pump circulation run time, giving you an energy savings of up to 18%! This unit is perfect for the environmentally conscious Pool and Spa owner thanks to its Low NOx capabilities.The Hayward HeatPro Heat Pump is listed by ETL as complying with the latest edition of the "UL Standard for Safety for Heating and Cooling Equipment", UL1995 and CSA C22.2 No. 236. All Hayward HeatPro Heat Pumps must be installed in accordance with all applicable National and Local codes. In the absenceView and Download Hayward ABG1001 installation, operation & service procedures online. Above Ground Pool Heater. ABG1001 swimming pool heater pdf manual download. Also for: H100id1. ... (as codes for proper gas line material selection (copper, iron or plastic etc.) LOW PRESSURE NATURAL GAS PIPE SIZING: (Based upon gas pressure of 0.5 psig or ...The Hayward heater's IF code is a diagnostic tool designed to alert you when something isn't quite right with your heating system. When you see the IF code displayed on the heater's control panel, it's a signal that the system has encountered an issue and needs attention. Here's what the IF code typically signifies:Diagnostic Codes and Part Numbers 19-20 1. Heater not powering up 21-26 2. Open FC1&/FC2 Fuse 27-28 3. Open FC3&/F1 Fuse 29-31 4. Open FC4 Fuse 32-33 5. “D” ode 34-35 ... Hayward Part # FDXLFSK19F30 (Qty. 10) G . The control continually compares the set temp to the actual water temp. When Hayward heater if code, The Hayward Municipal Code is updated on a regular basis. Review the Municipal Code here: Hayward Municipal Code. For additional information on the Hayward Municipal Code, please contact the Office of the City Clerk at 510.583.4400. Traffic Code & Regulations. Traffic codes are regulations governing parking and traffic movement., GAS HEATERS: Universal H-series ASME Heater: 3 Years: CHLORINE GENERATOR & UVO3 SYSTEMS: Saline C ® 6.0 & 11.0 Salt Chlorine Generators: 2 Years* None: 2 Years* None: 2 Years** 2 Years* *Salt cells carry an 18 month parts warranty. * No field labor, factory repair labor only. **Salt cells carry a 1 year full warranty & a prorated warranty for ..., Hayward H250FDP pool heater showed SF code. Replaced the thermistor and restarted the power. Display still shows SF code and sevice light on. Cycled the mode button and the blower comes on, ..., Features: 500,000 BTU Heater. Natural Gas. 110 Volt / 220 Volt. Cupro Nickel Heat Exchanger Standard - Totally Managed Flow provides exceptional corrosion resistance and erosion protection. Ideal for today's salt-based electronic chlorination systems., Jun 26, 2020 ... Comments30 ; I fixed Lo error! hayward spa heater was giving me a LO error. Gituri Lens · 3.1K views ; Hayward H400FD pool heater fixed igniter ..., Adjust the water flow or call a professional if the pressure is too low. Clean the Filter: A dirty or clogged filter can cause Hayward Heater CE Code errors. Clean the filter thoroughly and replace it if necessary. This will improve the heater’s efficiency and prevent future issues. Inspect the Ignition System: If the above steps do not ..., Please enter a zip code within the 48 contiguous states. i. Please enter a valid zip code Your zip code will help us to provide you with the most up-to-date delivery information ... (Liquid Propane) gas can be hazardous by combustion or exhaust of the pool heater. Hayward pool equipment had created the Pool heater FAQ below to help the pool ..., This FD ignitor kit is designed to use with Hayward Universal H-Series Low NOx pool heater models H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP. Weighs 5.9 pounds., I recently bought a house with a in ground pool/hot tub combo that includes a Hayward H400 pool heater. It was a bank owned house where the pool had been sitting without filtering for probably 6 months. After getting everything cleaned up, having the system gone through, I fired it up and the heater cycled right on and i left it on for about 3 ..., The major reasons for Hayward pool heater code IF/ignition failure include lower gas supply, clogged filter, and malfunctioning of the gas and plumber valve. Also, a faulty transformer, defective flame sensor, bad igniter, and incorrect thermostat temperature setting are the root., The Hayward Heater HS code indicates that either your water temperature has exceeded a maximum of 104°F or the water temperature is changing at an unusual rate (faster than 6°F in 60 seconds or less while the heater) is on and firing., Learn How Solar Pool Heaters Work; Learn About Hayward. At Hayward, we're more than just equipment. Learn more. Hayward Insights. Hayward Insights. Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. Gain insight. Support., Hayward heater shows code if. Contractor's Assistant: I'll do all I can to help. Tell me a bit more about what's going on so we can help you best. The gas was turned off for unrelated repair and the heater turned on when the gas supply resumed. The pilot must now be lighted. I do not see a regulator that looks like those shown in the manual., My pool heater stopped working and the display showed IO which means the igniter is bad. It was replaced and still showed that code. Troubleshooting came to..., With variable speed pumps, ensure you have the RPM of the filter pump set at 2200 RPM. Check and clean the heaters' heat exchanger. Remove and inspect the High limit sensors, and there are two located in the header of the heater. If there are any signs of corrosion or calcium buildup, replace them., Universal HC Series - Dual Fuel 400k BTU. Hayward. SKU: HDF400. The industry's smallest footprint heater allows replacement of almost any heater in an existing pad with the efficient reliability of the new Universal HC Series dual-fuel technology heater from Hayward®. Add to Compare. Add to Export. Overview., Here you'll gain easy access to information regarding your favorite Hayward products. Whether you are looking for a Quick Reference Guide, troubleshooting steps, or simply wish to view one of our product support videos, you have come to the right place. ... iPad Heater Navigation - OmniLogic Automation System. iPhone Favorites - OmniLogic ..., Step 3: From the "Save As" window navigate to the desired USB drive. (Note: please make sure to select the root directory of the USB drive). Step 4: Before saving, change the "Save as type" to "All Files" AND remove the ".txt" file extension that automatically appears. Then click on "Save" button., Home - Trouble Free Pool | Trouble Free Pool, Troubleshooting Guide for Hayward and Summit Heat Pumps. Hayward-Summit Technical Support: 800-432-8387. Check the installation of the heat pump first to assure it is installed per the installation manual. Ensure the electrical hook-up is correct by checking the breaker is sized correctly for your unit and the wiring is per the National ..., Hayward Pool Products Inc is a leading manufacturer of high-quality pool equipment, including pumps, filters, heaters, and cleaners. If you’re lucky enough to own one of their prod..., Install a Hayward replacement for any competitor's pump, heater, filter or other select items. SNAP Snap clear photos of the before & after installation products, the Hayward replacement serial number, and the installation invoice., Hayward W3H150FDP Universal H-Series 150,000 BTU Propane Pool and Spa Heater for In-Ground Pools and Spas. dummy. Raypak 014779 PR106AENC 105000 BTU Natural Gas Pool Heater. dummy. FibroHeat FibroPool Swimming Pool Heat Pump - FH255 55,000 BTU - for Above and In Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or ..., Hayward 400 bo code. texasstig. Mar 13, 2021. bo code hayward heater failure - remote not firing heater. Jump to latest Follow Reply. Forums. Equipment - Build, Use, and Repair. Everything Else. T., Turn the thermostat all the way up on the heat pump. These units are not compatible with 3 wire remotes. For 2 wire air switch installations remove the jumper between terminals 1 & 2 and replace it with the 2 wires from your switch. Set the thermostat on the heat pump to the desired temp. Wiring Diagram HPABG / HP380., View and Download Hayward H150 installation, operation and service manual online. H150 swimming pool heater pdf manual download. Also for: H250, H200, H300, H350, H400, H210., The date of production/manufacture or age of HAYWARD® HVAC equipment can be determined from the serial number. Example serial number styles/formats found: → Style 1: 2113 16 04 101589001 → Style 2: 21120 4 02 000002006, Heater Hayward ED2 Fault Code Thumbnails (18 pages) Summary of Contents for Hayward H150FDAU. Page 1 POOL AND SPA/HOT TUB HEATERS H150FDAU, ... LEASE n order to insure a longer life for your new Hayward Pool Heater as well as your liner (if applicable), pump and fi lter, HELPFUL HINTS steps should be taken to insure proper water chemistry. The ..., View online or download Hayward H250FDP Owner's Manual, Troubleshooting Manual ... Brands; Hayward Manuals; Heater; H250FDP; Hayward H250FDP Manuals. Manuals and User Guides for Hayward H250FDP. We have 6 Hayward H250FDP manuals available for free PDF download: Troubleshooting ... Diagnostic Codes and Part Numbers. 19. …, Service LED ON: “IF” Code Inspect main gas supply Verify gas valve is ON Step 12B Step 12A IF “Ignition Failure”, Ensure main gas supply is in Verify that the gas valve, inside the heater, is in the the ON position., Minimum inlet gas pressure. 10.0”. Using a Manometer, take a measurement at the inlet port on the gas valve for both Static Pressure (heater o ) & Load Pressure (heater red); readings should be within the values on the heater data plate. Then measure the Manifold Pressure from the outlet port on the gas valve. Inlet Port., Enter a postal code to find the nearest Hayward authorized pool professional. Postal Code: How far from the above postal code do you want to search? Enter the miles in the box below. Minimum of 10 miles, maximum of 100. Radius: miles. Pool Type: ... Heaters (not including Heat Pumps) Heat Pumps. Lighting. Pumps. Variable Speed Pumps ..., Set the water pressure switch to the desired setting. If the Hayward pool heater LO code persists, the water pressure switch must be replaced. 3. Vent Pressure Switch Fault. The vent pressure switch fault is another cause of the Hayward heater LO code occurring.