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Pentair MasterTemp Pool Heater Automatic Gas Shutoff Switch
Pentair Pentair

Pentair MasterTemp Pool Heater Automatic Gas Shutoff Switch

The Pentair Automatic Gas Shutoff Switch (AGS), part number 42002-0025S, is an essential safety and operational replacement component for your gas pool or spa heater. This genuine Pentair part ensures your heating system functions safely and efficiently by automatically cutting off the gas supply when necessary. It is specifically designed as a direct replacement for compatible Pentair MasterTemp and Sta-Rite Max-E-Therm models. Customers frequently rely on this component for successful heater rebuilds, offering a cost-effective alternative to purchasing a new unit.

$54.99

Track Price
In Stock at Pool Supply Depot

Owner Satisfaction

3.8

/ 5

 

Category Rank

2527

/ 2959

#2527 in Pool & Spa Accessories

Price vs Category Average

-83%

Below average

Part Number

420020025

/ -S

 

Who it's for

  • Enhanced Safety Mechanism
  • Protects Heater Longevity
  • Seamless System Integration

Who should skip it

  • Potential Nuisance Tripping
  • High Replacement Cost
  • Complex Diagnostics

Key Specs

Part Number

42002-0025S

Manufacturer Part Number

42002-0025S

Fuel Type

Gas

Compatibility

Pentair MasterTemp and Sta-Rite Max-E-Therm Heaters

Safety Feature

Automatic Gas Shutoff (AGS)

Installation Type

Replacement Part

Included Components

Automatic Gas Shutoff Switch (AGS)

Features

  • Automatic Gas Shutoff Switch (AGS) functionality
  • Essential safety component for gas heaters
  • Direct replacement for MasterTemp heaters
  • Compatible with Sta-Rite Max-E-Therm units
  • Enables cost-effective heater repair
  • Designed for quick installation as a replacement part

What customers say

This essential replacement switch reliably resolves the gas shutoff error, restoring expensive pool heater function. Users appreciate the perfect fit and straightforward installation, often avoiding expensive service calls. However, sentiment is tempered by two main issues: the high cost for a small component and consistent reports of premature failure. While effective immediately, the perceived lack of longevity slightly diminishes the overall quality perception. Customers accept this necessary part grudgingly due to its high price and durability concerns.

Hayley

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Pentair MasterTemp Pool Heater Automatic Gas Shutoff Switch

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