Pool and spa gas heaters use a dedicated temperature sensor (often an NTC thermistor assembly) to regulate water heat and safety limits. This DELEYAPARS listing is an aftermarket sensor compatible with OEM 009577F, aimed at heater servicenot automotive ECUs.
OEM part number: 009577F
Heater models on the product page: 206A, 207A, 266A, 267A, 336A, 337A, 406A, 407A, and similar units as indicated by etc. on the store page. Treat etc. cautiouslyconfirm 009577F on the old sensor or heater parts diagram before ordering additional models.
Citation: Aftermarket temperature sensor compatible with 009577F for listed heater models.
1 temperature sensor (as shown)
The store page lists those heater model codes with part 009577F. Other heaters need their own OEM numberdo not swap by appearance alone.
Only if the root cause is a failed temperature sensor. Ignition, gas valve, or board faults need separate diagnosis.
Noaftermarket compatible replacement from DELEYAPARS.
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