Replacement Stack Flue Sensor 42002-0024S 2 Pack For Pool And Spa Heaters Reliable Temperature Monitoring High Quality 12 Month Warranty USA Support Easy Install Plug In Ready

Replacement Stack Flue Sensor 42002-0024S - 2-Pack
✔️ 2-pack stack flue sensor for Pentair 42002-0024S, easy install

This replacement stack flue sensor replaces the original Pentair 42002-0024S sensor, delivering precise temperature readings to keep pool and spa heaters running smoothly. It’s designed for direct-fit use in Pentair units and is compatible with MasterTemp 250, MasterTemp 400, Max-E-Therm, and Sta-Rite models. Color: White and Red. Includes a 12-month warranty with USA-based support. Plug-in ready for quick replacement.

✅ 2-pack replacement stack flue sensors compatible with Pentair 42002-0024S
✅ Direct-fit design for quick, no-modification installation
✅ Durable materials for high-temperature pool environments
✅ USA-based support and 12-month warranty

💡 What is a stack flue sensor used for in pool heaters and how does it help keep water temp stable?

The stack flue sensor monitors exhaust temperature to regulate burner operation, helping prevent overheating and keep water temperature steady.

- Accurate temperature sensing for safe heater operation - Direct-fit replacement for 42002-0024S models - Durable construction for high-temperature pool environments - Easy installation to restore heating quickly