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With an adjustable range of 50 to 450 psi and a field-adjustable differential of 60 to 150 psi
the Williams P321020 is built to withstand the rigorous heat cycles of a gas wall heater without degrading
this genuine OEM Nordyne part maintains the precise static pressure required for optimal combustion
Always verify the Micro Board version before ordering
it provides a high-limit shutdown of the HVAC equipment and typically requires a manual reset at the unit or the remote test station to resume normal operation
Belimo B312B Valve 340155-7026 With an adjustable range ofWhen you need a reliable 3 way ball valve for precise hydronic control, the Belimo B312B valve is a robust choice. This 1 2" NPT valve, featuring a 3. 0 Cv, is engineered for demanding HVAC applications. Its nickel plated forged brass body, chrome plated brass ball, and nickel plated brass stem ensure durability and chemical resistance, making it suitable for chilled or hot water systems up to 250F (120C), including those with up to 60% glycol
