Pentair MasterTemp 125 Automatic Gas Shutoff Switch (474368Z) furnas Verify part number W3HS135FDP before

Verify part number W3HS135FDP before purchase

When the basket no longer seats or holds up properly

Offline tablet chlorinator for compatible residential pool systems

It is a strong everyday choice for systems that need a straightforward 2 inch slip-by-slip gate valve without compromising on rebuild or service logic

Pentair MasterTemp 125 Automatic Gas Shutoff Switch (474368Z) furnas Verify part number W3HS135FDP beforePentair Automatic Gas Shutoff Switch, Pentair MasterTemp 125 (474368Z) is a replacement heater related component for compatible Pentair pool and spa heating equipment. Heater parts can support ignition, safety control, airflow, heat exchange sealing, or electrical operation depending on the specific assembly. Use this part when diagnosing or repairing a compatible heater after confirming the failed component. Heater service should be performed by a