How do I reset my Hayward heater?

The heater can be manually reset using the keypad by cycling the MODE button through “STANDBY” and back to the original operating mode (“POOL” or “SPA”).

Why is my pool spa not heating?





Low flow in your spa or hot tub is most commonly associated with a dirty spa filter. If your spa heater won’t heat, remove and clean the filter(s) to rule out a pressure or flow rate problem. Low water level, a clogged pump impeller, closed valves, clogged pipes, or blocked spa drain covers can also cause flow issues.

How do I adjust my Hayward pool heater?

The temperature can be displayed in Fahrenheit or Celsius. TO change the display, use the “MODE” button to place the heater in “STANDBY”. Then press and hold the “UP” and “MODE” buttons until the display shows the °F/°C selection. Press the “DOWN” button to toggle between selections.

How do you reset an electric pool heater?

How to Reset the Lockout on a Pool Heater

  1. Reset the breaker for the electrical circuit to the pool heater by flipping the breaker switch to the “Off” position and then to the “On” position. …
  2. Remove the cover on the digital control panel. …
  3. Press the “Mode” button, and cycle to the “Standby” setting.

Why is my hot tub heating up slowly?

If your water heats up, but very slowly, you may simply need to change the filter. A heater that continuously turns on and off also indicates the filter must be changed. Hot tubs that are used often will need to have these cartridges changed more frequently.

How can I make my hot tub heat up faster?





7 Hacks to Make Your Hot Tub Heat Up Faster

  1. Leave the cover on. …
  2. Turn the jets on. …
  3. Use a thermal spa blanket. …
  4. Put a pop-up canopy tent around the tub. …
  5. Wait for a warm day. …
  6. Fill up with warm water. …
  7. Use a portable immersion heater.

Why is my hot tub losing temperature?

Dirty filters

If your filters are dirty and clogged up it can restrict the water flow, which is a common cause of heat loss. Clean filters are an essential part of good hot tub maintenance anyway so give them a thorough clean with a spa filter cleaner and see whether that makes a difference.

How long do Hayward pool heaters last?



7-10 years is the average life expectancy of a pool heater.

Why is my Hayward pool heater not working?

If the heater has not been fired in over a week, chances are there is a blockage in the burners or orifices that is preventing the gas from escaping the burner and reaching the spark. Other causes of this problem are: (1) Bad ignitor. (2) Bad gas valve.

How do you clean a Hayward pool heater?

Remove the heater screws that secure the heat exchanger in place; move it to a clean surface. Apply a degreaser to the heat exchanger using a soft-tipped brush. Allow the degreaser time to loosen any soot. Wash the heat exchanger with a garden hose.

Can a pool heater get clogged?



A dirty pool filter wins for the most popular water flow issue on a heater service call. This issue can be diagnosed by removing the filter and running the pump again without a filter in. If the issue was, in fact, a clogged filter, you should have no water flow problems now.

How often should a pool heater be serviced?

once a year

Maintenance. Your pool heater should be scheduled at least once a year for maintenance, and can benefit from bi-annual maintenance. During a maintenance appointment, your pool heater will be thoroughly inspected, components will be cleaned, lubricated and adjusted, and the unit will be tested for safety and performance …