Pentair Stack Flue Sensor Replacement Kit (Blue) for ETI 400 High-Efficiency Pool and Spa Gas Heater 475601





Key features
- •The heater is equipped with two Stack Flue sensors one for each heat exchanger.
- •These sensors monitor the stack flue temperature and if needed will shut down the heater if the stack flue temperature exceeds 170° F (77° C).
Pentair Stack Flue Sensor Replacement Kit (Blue) for ETI 400 High-Efficiency Pool and Spa Gas Heater 475601
List Price: $98.34$88.51DEALYou Save: $9.83 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 25, 2026In Stock (3)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection






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