This is a 1

moisture in the sensing lines or a clogged vent system can cause the switch to cycle more frequently than intended

which is vital for preventing friction-induced heat and premature shaft wear

Always match the OEM temperature specifications

This is an automatic limit switch

Robertshaw 1951-536 Thermopile Els PW 17895 This is a 1The Robertshaw 1951 536 Thermopile is a heavy duty, 36 inch threaded thermopile designed for use in self powered gas control systems commonly found in commercial deep fryers, gas fireplaces, and floor furnaces. Engineered to generate a consistent 750 millivolt (mV) output, this coaxial style generator utilizes two dissimilar metals to convert thermal energy from a steady pilot flame into electrical current, sufficient to energize a millivolt gas valve