McDonnell & Miller 63-M Low Water Cut Off R-410A offering identical performance and electrical

offering identical performance and electrical specifications

ensuring exact alignment with the gas manifold and orifice assembly

Durable Switching: Reliable SPST relay contacts designed for standard 120V circulator loads and low-voltage burner circuits

The integrated breakers facilitate this multi-circuit requirement

9" WC step and a full-rated outlet pressure of 3

McDonnell & Miller 63-M Low Water Cut Off R-410A offering identical performance and electricalThe McDonnell & Miller 63 M (Part Number 143100) is a heavy duty, float operated mechanical low water cut off designed for superior reliability in both hot water and steam boiler applications. Built for contractors who require a dependable safety interface, this unit features a manual reset mechanism and a robust No. 2 dual switch assembly. These switches provide simultaneous low water cut off protection and a dedicated circuit for an electric water