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typically controlling two heating banks or a combination of a bank and a blower
ensuring that the critical bellows mechanism operates without interference from external contaminants or pressure loss
Always verify the part number against your model’s technical manual to ensure the probe length and thermal settings match the original design
it provides a reliable 150°F opening temperature and a 120°F closing temperature
KMC Controls HPO-0038 Diaphragm typically controlling two heating banksThe KMC Controls HPO 0038 Diaphragm is a precise OEM replacement part engineered for the MCP 3631 series rotary pneumatic damper actuators. Built from high grade elastomer, this replacement diaphragm is designed to withstand continuous cycling in VAV terminal units and diverse HVAC zoning systems. In pneumatic control loops, maintaining the integrity of the 8 sq. in. effective area is critical for converting 0 to 20 psig supply pressure into the
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