Pay in 4 interest-free payments of $35.00 Learn more
Ships within 48 hours · Estimated delivery Sep 28 - Oct 3
171/4” centerline mounting distance
double or triple the weekly dosage
Measures 42" interior
Works with both winter and safety pool/spa covers
IMPORTANT: PROFESSIONAL SERVICE REQUIRED
Pentair MasterTemp & Max-E-Therm Pool Heater Stack Flue Sensor | 42002-0024S FC9440 171/4” centerline mounting distanceThe Pentair Stack Flue Sensor (42002 0024S) is the OEM replacement exhaust temperature sensor for select Pentair MasterTemp and Sta Rite Max E Therm pool heaters. If your heater is shutting down unexpectedly, displaying a flue related fault, or failing to complete ignition, this sensor is a common service component to inspect and replace. IMPORTANT: NOT COMPATIBLE WITH MASTERTEMP 125 This sensor does not fit the MasterTemp 125 heater. MasterTemp 125
![Ledyba (71/105) [Neo Destiny 1st Edition] SPA Sargento del Latigo](https://cdn.shopify.com/s/files/1/0268/5285/1798/files/2a77282a-b167-43ad-8407-9d07a10d8631.png?v=1755126034)
![Light Dewgong (45/105) [Neo Destiny 1st Edition] SPA Vengador boros](https://cdn.shopify.com/s/files/1/0268/5285/1798/files/df8e635a-ffe6-4258-a1fb-f3317a1acf55.png?v=1755126054)