What does it mean when my Hayward heater says Lo?
Generally, LO refers to the pressure switch, water pressure. This can be caused by either the diaphram in the flow switch has failed or the filters is clogged and/or pump is unable to make enough pressure to make the switch.
What is the Lo code on my Hayward pool heater?
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.
What are the different models of Hayward pool heaters?
Troubleshooting chart for Hayward Universal H-Series millivolt pool heaters, with standing pilot, models H150, H200, H250, H300, H350, H400 Troubleshooting chart for Hayward Universal H-Series electronic pool heaters with a digital display, models H150, H200, H250, H300, H350, H400 INPSECT WIRES FOR KINKS OR RODENT DAMAGE.
Why is my Hayward pool heater not working?
If the filter has a high DP, (cartridges that haven’t been cleaned in a long time), it can reduce the flow to where the heater won’t fire. I had a very similar issue on my Hayward. I changed the cartridge filters thinking that was the problem, but it turned out that the pressure switch was stuck.
Which is the most energy efficient pool heater?
Our Universal H Series heaters offer the most reliable, efficient solutions for any pool or spa. Hayward heaters are also environmentally friendly. A Heat pump is the most energy efficient solution to heat your pool in warmer climates. In fact, heat pumps provide energy savings up to 70% over gas heaters.
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.
Troubleshooting chart for Hayward Universal H-Series millivolt pool heaters, with standing pilot, models H150, H200, H250, H300, H350, H400 Troubleshooting chart for Hayward Universal H-Series electronic pool heaters with a digital display, models H150, H200, H250, H300, H350, H400 INPSECT WIRES FOR KINKS OR RODENT DAMAGE.
When to turn off water heater in Hayward pool?
It turned the heater on 30 minutes after the circulation pump went on and turned the heater off 30 minutes before the circulation pump went off. This was to allow the water to cool down and not damage the plumbing lines. ALL Hayward heaters have Fire Tile, which dissipates the heat immediately, so a fireman’s switch is not required.
Do you need fireman’s switch for Hayward pool?
This was to allow the water to cool down and not damage the plumbing lines. ALL Hayward heaters have Fire Tile, which dissipates the heat immediately, so a fireman’s switch is not required. NOTE: Gas fired heaters should be diagnosed and repaired by trained personnel.
