If you have verified that the line voltage is correct but the secondary output is below 24V

Complete flange bag assembly facilitates rapid field service by providing all necessary 9/64" fasteners and tools

Durable construction ensures a leak-free connection to field mounted devices

this SPST furnace relay features a 24V coil specifically calibrated for high-performance Intertherm

Installing fewer than four will lead to uneven weight distribution and may actually increase localized vibration

York S1-024-27634-001 Pressure Switch If you have verified thatThe York S1 024 27634 001 Pressure Switch is a critical safety component designed for precise differential pressure sensing in York, Luxaire, and Coleman gas furnaces. This SPNO (Single Pole Normally Open) switch is factory calibrated to a . 65" WC setpoint, closing on a fall in pressure to ensure the induced draft motor is maintaining adequate venting before the ignition sequence initiates. Engineered for high cycle reliability in residential heating