a high-performance 3/4 inch N/C gas solenoid valve engineered for precision and safety

Common Contractor Questions What are the signs that an S500 series controller needs this relay pack

This genuine Lennox HVAC part is engineered for a precise fit in Lennox LGB and LCB series units

Cross-reference your model number or part list to ensure the pitch and diameter match your specific tonnage requirements

Backward Compatibility: Specifically designed to replace obsolete part number 1172828 with updated internals

Armstrong Fluid Technology 216944-300 326058-757 a high-performance 3/4 inch N/CThe 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