Markel 28163005 Relay 323055-751 5-10 PSI operating range allows

5-10 PSI operating range allows for accurate damper positioning in varied pneumatic air handling applications

it is balanced at the factory to minimize vibration

This is different from Hot Surface Ignitors (HSI) which glow orange to ignite the gas

We recommend verifying your specific model and serial number against the manufacturer’s parts list to ensure a correct match

Markel 28163005 Relay 323055-751 5-10 PSI operating range allowsThe Markel 28163005 Relay is a heavy duty high power HVAC time delay relay designed for precise sequencing in residential and industrial heating systems. Rated for up to 2. 3kW (2300W) at 240V, this SPST sequencer relay is a critical component for managing lead lag operations, fan delays, and multi stage heating cycles. It is specifically engineered for full compatibility with Markel, TPI Corporation, and Raywall equipment, including high demand