As an inducer pressure switch
The Fenwal 35-615908-223 is a 24 VAC microprocessor-based Direct Spark Ignition (DSI) control specifically engineered as an Armstrong furnace replacement
Fine-tuning of the damper response is handled via the pneumatic controller or pilot positioner to match system sequencing
The Resideo T4398B1029 is a heavy-duty high performance electric heat thermostat engineered for precise control of electric baseboard heaters
Using an incorrectly sized restrictor will result in combustion instability and potential safety hazards
Sporlan 4246-00 Solenoid Valve 320074-702 As an inducer pressure switchThe Sporlan 4246 00 is an industrial grade E9S230 HP 3 8 ODF Solenoid Valve engineered specifically for high pressure fluid control in refrigeration and air conditioning systems. This model features a normally closed operation, meaning the valve remains seated until the coil is energized, making it a reliable choice for liquid, suction, or hot gas service applications. Constructed with a rugged, forged brass body and extended copper connections, the