KMC Controls HPO-0038 Diaphragm or visual signs like "mushrooming"

or visual signs like "mushrooming" and oil leakage from the top terminal plate

"H-721LC" is a common alternate SKU format for the Veris Industries H721LC solid-core transducer

maintaining the integrity of the original system design

it provides a reliable 150°F opening temperature and a 120°F closing temperature

For contractors performing routine maintenance or emergency service

KMC Controls HPO-0038 Diaphragm or visual signs like "mushrooming"The 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