Pentair Combination Gas Control Valve Kit | 42001-0051S Aboveground Upgrades: Consider the Gamma Series

Upgrades: Consider the Gamma Series 2 Standard with an Adjustable Nozzle for variable flow patterns and a redesigned spring

Durable PVC (or CPVC) construction — resistant to pool chemicals

Use a proper injection check valve at the injection point to reduce backflow and improve dosing consistency

This service kit includes the common shaft seal and O-rings typically replaced during motor changes

Replace the skimmer lid and restore pump operation to begin vacuuming through the skimmer

Pentair Combination Gas Control Valve Kit | 42001-0051S Aboveground Upgrades: Consider the Gamma SeriesPentair Combination Gas Control Valve Kit for MasterTemp & Sta Rite Max E Therm Heaters 42001 0051S The Pentair 42001 0051S is an OEM combination gas control valve kit used in the burner system of select Pentair MasterTemp and Sta Rite Max E Therm pool and spa heaters. This valve assembly regulates and shuts off gas flow to the burner as commanded by the heater controls, supporting safe ignition, stable firing, and proper heater operation. Key