McDonnell & Miller 63 Low Water Cut Off Els PW 17895 The timing for 90 degrees

The timing for 90 degrees of rotation is approximately 175 seconds at 60 Hz

Featuring a 3/8" NPT connection and a robust brass body

the HPA200 ensures a CADR (Clean Air Delivery Rate) of 200 CFM

high-accuracy CO2 monitoring with ±30 ppm precision for reliable air quality control

The most common symptoms include the boiler lighting for a few seconds and then shutting down

McDonnell & Miller 63 Low Water Cut Off Els PW 17895 The timing for 90 degreesThe McDonnell & Miller 63 Low Water Cut Off (Part Number 142400) is a heavy duty, float operated safety control designed for residential, commercial, and industrial boiler applications. This mechanical LWCO is specifically engineered for use with both hot water and steam boilers, providing a critical layer of protection against dry fire conditions. Featuring a 1" NPT threaded connection for equalizing pipes, it is rated for a maximum boiler pressure