this OEM sensor is designed to work within the combustion chambers of both NG and LP Sterling unit heaters

Engineered with a specific 330-degree temperature trip point

it is fully compatible with White-Rodgers ComfortSet thermostats and the wider Emerson Blue series

ensuring electrical connectors and mounting brackets align perfectly

McDonnell & Miller 344200 Float and Bellows Assembly 30067439-890 this OEM sensor is designedWhen you are out in the field servicing a customer's boiler, a compromised level control is a leading cause of nuisance outages and dangerous dry firing conditions. The McDonnell & Miller 344200 Float and Bellows Assembly (Model SA67 2) is the direct manufacturer spec replacement for Series 61, Series 67, Series 69, and Series 70 low water cut offs. This critical assembly is precision engineered to maintain accurate water level detection and interface