automatic reseating temperature and pressure relief valve designed for large-scale commercial water heating systems

Corrosion Resistance: Engineered to withstand the rigors of outdoor environments and continuous exposure to the elements

Each unit includes a 1/2" union nut with both male NPT and female sweat tailpieces

The brass body construction is paired with a durable EPDM diaphragm

Key Benefits Maximum Flow Efficiency: Delivers a high 32 Cv flow coefficient

Lochinvar & A.O. Smith 100327100 Switch 323613-751 automatic reseating temperature and pressureThe Lochinvar & A. O. Smith 100327100 Switch is a critical manual reset switch designed to protect water heaters and HVAC systems from hazardous overheating conditions. As a resettable thermal switch, it functions as a high limit safety control that breaks the electrical circuitspecifically the thermocouple or gas valve circuitwhenever temperatures exceed the L270F threshold. This part is the direct replacement for 100166080 and is compatible with a