Maintenance-Free Operation: Advanced NDIR sensing technology prevents drift

including EB and JCI series

This 23-inch diameter blade is a specific fit for select condenser models

a different orifice (typically K14) is required

The Burnham Boiler 609600011 Rear Observation Port Kit is a direct OEM replacement component engineered specifically for Burnham V9 and V11 series cast iron boilers

Maxitrol M611R-3/4 Valve Els PW 17895 Maintenance-Free Operation: Advanced NDIR sensingThe Maxitrol M611R 3 4 is a precision engineered modulating gas valve specifically designed for direct fired burners operating in negative pressure (pull through) configurations. Unlike standard regulators, this component functions as the core of the Selectra Electronic Gas Flame Modulating System, providing instantaneous, non fluctuating temperature control without the need for motorized butterfly valves or external mechanical linkages. It features a