US$ 155.00
preventing inefficient cycling and protecting the boiler from water level fluctuations
Technical specifications include a compact frame for easy integration into control boxes and screw terminals designed for secure HVAC wire terminations
Full Accessory Support: Dedicated terminals for 120V humidifiers and air cleaners ensure all system components operate in sync with the blower
Can I use a single-stage switch to replace this dual-stage model
The Lennox 99K57 Inducer Assembly is a critical OEM replacement component designed to maintain the mechanical integrity and venting safety of high-efficiency gas furnaces
McDonnell & Miller 64-HD Cut Off Els PW 17895 preventing inefficient cycling and protectingThe McDonnell & Miller 144400, also known as the 64 HD Head Mechanism, is a heavy duty replacement unit designed for Series 64 and Series 764 low water cut offs. Engineered for both hot water and steam boilers, this mechanical oversight component facilitates an auto reset function to ensure continuous system protection without manual intervention. As a float type LWCO mechanism, it is rated for a maximum boiler pressure of 50 PSI. This unit serves as
US$ 155.00
US$ 135.00
US$ 20.00
US$ 180.00
US$ 140.00
US$ 175.00
US$ 175.00
US$ 140.00
US$ 99.99
US$ 175.00
US$ 90.00