McDonnell & Miller 63-B Low Water Cut Off 320788-702 and exterior security fixtures

and exterior security fixtures

UL Listed: Meets rigorous safety standards for use in commercial and industrial environments

The valve features a nickel-plated forged brass body

the XC-726RZ-2B features a 10-foot capillary tube and a 1/4" SAE flare equalizer connection

Built for durability and field serviceability

McDonnell & Miller 63-B Low Water Cut Off 320788-702 and exterior security fixturesThe McDonnell & Miller 63 B (Part Number 142700) is a heavy duty, float operated mechanical low water cut off engineered for reliable performance in residential and commercial hot water and steam boilers. As a veteran grade boiler safety control, this unit features an automatic reset and a 1" NPT threaded connection, rated for a maximum pressure of 50 PSI. The integrated float block design ensures stable operation by reducing float movement caused by