Armstrong Fluid Technology 216944-300 320788-704 This Selectra modulation valve is

This Selectra modulation valve is factory-set for high and low fire but allows for field adjustment to match specific BTU requirements

the 096300 is the current genuine OEM replacement for both the 96300 and 96300-1 part numbers found in older Reznor technical manuals

By accurately sensing the heat exchanger's discharge temperature

Technicians typically look for cracked ceramic insulation

This SPST switch features a durable housing designed to withstand the thermal cycling and vibration common in hydronic heating cabinets

Armstrong Fluid Technology 216944-300 320788-704 This Selectra modulation valve isThe Armstrong Fluid Technology 216944 300 is a high performance Pressure Water Reducing Valve designed for precision in commercial and residential HVAC hydronic systems. This Armstrong RD 11T S model features a robust brass body construction, ensuring long term durability and resistance to corrosion. Engineered with a 1 2" NPT Union Inlet and a 1 2" Female NPT outlet, it simplifies installation in tight piping configurations. The valve is pre