a specialized insertion/removal tool

Using an incorrect plug will result in communication failure or improper system operation

Precise Refrigerant Metering: Automatically adjusts flow to maintain target superheat

it facilitates rapid swaps for field technicians

safeguarding the integrity of the entire pneumatic circuit against pressure fluctuations that could compromise control accuracy

Fenwal 35-605903-223 Control 321042-401 a specialized insertion/removal toolThe Fenwal 35 605903 223 is a high performance 24VAC Direct Spark Ignition (DSI) control specifically engineered for Lennox HVAC systems. As a veterans' choice for field replacements, this microprocessor based module manages the ignition sequence, flame monitoring, and safety shut off for natural, LP, and manufactured gas applications. It features a precise 30 second pre purge and a 30 second inter purge to clear the combustion chamber, followed by a