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

The Rheem-Ruud 47-25349-02 Limit Switch is a critical safety component designed for precise thermal regulation within HVAC systems

Can this switch be used in horizontal furnace orientations

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

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

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