White-Rodgers 11D18-1 Control Els PW 17895 or Tempstar unit

or Tempstar unit

it is ideal for applications where you need to transfer power between two different components

the internal bimetal disc is likely fatigued or damaged

providing the 4-way flexing action necessary to absorb severe shock

the SPDT contact action allows it to be wired for open-on-rise applications

White-Rodgers 11D18-1 Control Els PW 17895 or Tempstar unitThe White Rodgers 11D18 1 Control is a rugged, well immersion hydronic control designed for precise temperature regulation in hot water heating systems. Engineered for high reliability performance, this immersion hot water control functions as a high limit, reverse action, or SPDT switching unit. It features a broad operating temperature range of 100F to 240F (Open High) and an adjustable differential of 5F to 45F, allowing technicians to fine tune