Can I fix Hayward code IF myself?

Start with these safe checks: Make sure the gas supply valve is open, and for propane, that the tank has fuel. Let the heater go through its retries. If it keeps failing, call a qualified tech. If you smell gas, leave and call your gas supplier from outside.

When should I call a technician for code IF?

If it keeps failing, call a qualified tech. If you smell gas, leave and call your gas supplier from outside. Smell gas? Leave right away, don't touch light switches or phones inside, and call your gas utility or 911 from outside. Never open a gas valve, burner, gas line, vent or flue connection, or bypass a safety switch. Repeated lockouts, scorching, soot, or a CO alarm mean shut it off and call a licensed gas technician.

Hayward Pool Heater Error Code IF: Ignition failure

What IF means

Ignition failure. The heater retries 3 times, locks out, waits 60 minutes, retries 3 more, and keeps retrying every 60 minutes while there's a call for heat.

Likely causes

Gas supply valve closed
Empty propane tank
Igniter or flame sensing fault

Safe first checks

Make sure the gas supply valve is open, and for propane, that the tank has fuel.
Let the heater go through its retries.

When to stop

If it keeps failing, call a qualified tech. If you smell gas, leave and call your gas supplier from outside.

Parts that may help

Only order a part once the checks above point to it, and match the part number to your model.

Jandy Igniter Assembly Hi-E2 (R0457503)$100.99

Checked against: Hayward Universal H-Series heater troubleshooting guide (UHS16b): diagnostic codes. Codes can differ by model and year, so confirm with your owner's manual.