McDonnell & Miller 63-B Low Water Cut Off 323055-751 and bore size of the

and bore size of the existing wheel to ensure an exact match

It includes the first and second check valve assemblies

Are any special tools or lubricants required

Built with a totally enclosed motor housing

McDonnell & Miller 63-B Low Water Cut Off 323055-751 and bore size of theThe 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