If the switch has 'popped

field-modifying it for other brands is not recommended to avoid signal interference

What are the symptoms of a failing T111850042 expansion valve

check for continuity across the terminals while the switch is below 140°F

Key Benefits for Technicians Adjustable Range: Precise dial for configuring trip settings between 5

Lochinvar & A.O. Smith 100276752 Valve 322838-754 If the switch has 'poppedThe Lochinvar & A. O. Smith 100276752 is a professional grade 3 4" T&P relief valve engineered for high recovery residential and commercial water heating systems. Designed to function as a critical safety bypass, this valve features a 210F temperature relief threshold and a 150 PSI pressure rating, ensuring protection against catastrophic tank failure. The 3" extended element is specifically designed for units with thick insulation or specific tapping