Burnham Boiler 108681-01 Temperature Sensor Els PW 17895 the 660149R is the correct

the 660149R is the correct technical substitute

Universal Core Compatibility: Both 1/4" male flare ends are pre-threaded to house standard valve cores for versatile HVAC system access

It provides the necessary clamping force to maintain position without the frequent slippage seen in generic aftermarket alternatives

a clogged or improperly sized natural gas burner orifice can lead to incomplete combustion

Burnham Boiler 108681-01 Temperature Sensor Els PW 17895 the 660149R is the correctMaintaining peak efficiency in condensing hydronic systems requires precise data, and the Burnham Boiler 108681 01 Temperature Sensor is the specific 10k ohm thermistor engineered for this role. As a veteran technician, you know that outdoor reset control is non negotiable for maximizing the AFUE of Burnham Alpine boilers. This sensor provides the real time ambient data necessary for the IQ Control System to adjust the boiler firing rate and supply