McDonnell & Miller 63-M Low Water Cut Off R-410A ensuring exact alignment with the

ensuring exact alignment with the gas manifold and orifice assembly

By managing the duty cycle effectively

Integrating this HVAC flame sensor into your combustion safety string helps prevent nuisance lockouts and ensures efficient fuel utilization by providing immediate combustion verification

safe window for flame establishment

The integrated breakers facilitate this multi-circuit requirement

McDonnell & Miller 63-M Low Water Cut Off R-410A ensuring exact alignment with theThe 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