ensuring signal accuracy

ensuring linear heat output and superior comfort control

Once the unit has cooled

Compact Profile: The 5 cubic inch size allows for easy fitment in compact condenser units where space is a premium

offering a reliable alternative to OEM components without compromising flow rate or material integrity

McDonnell & Miller 309100 Switch Els PW 29614 ensuring signal accuracyThe McDonnell & Miller 309100 Switch, also known as the Model Number 11 Switch, is a heavy duty replacement switch kit designed for field repairs of float type low water cut offs. Engineered for automatic reset operation, this unit features two SPST switches that allow for simultaneous control of a burner circuit and a secondary function, such as an electric water feeder or a low water alarm. It is fully compatible with Series 61, 64, 67, 69, 764, and