Pentair Automatic Gas Shutoff Switch 140°F | MasterTemp HD 125 Pool & Spa Heater | 474368Z C7418 If your existing cable assembly

If your existing cable assembly has failed or become damaged

placing the light as close to the water as possible for a stunning effect day and night

maintaining system pressure and preventing water loss during filtration

Timing: Use during regular backwash cycle for enhanced cleaning power

the pump's local control is compromised

Pentair Automatic Gas Shutoff Switch 140°F | MasterTemp HD 125 Pool & Spa Heater | 474368Z C7418 If your existing cable assemblyOEM Gas Shutoff Switch for the MasterTemp HD 125 Heater The Pentair 474368Z is the OEM replacement automatic gas shutoff switch for the MasterTemp HD 125 Pool and Spa Heater, rated at 140F. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high voltage components without proper certification. The