Technicians should inspect the 1006298 sensor if the furnace displays pressure switch lockout codes

providing a consistent 25 PSI differential to prevent rapid equipment short-cycling

Chattering is typically caused by low voltage at the 24V coil terminals (often below 18V) or a failing 24V transformer

replacing the existing sensor with this genuine Williams Comfort Products part is the standard protocol to restore the factory-specified sequence of operations

utilizing original furnace repair parts like this tubing ensures that system performance adheres to original equipment specifications

Functional Devices RIB01P Relay Technicians should inspect the 1006298The Functional Devices RIB01P is a heavy duty 20A DPDT enclosed relay designed for reliable HVAC power control and local switching applications. This pilot control relay features a 120 VAC coil and is housed in a NEMA 1 rated enclosure, making it ideal for industrial power relay setups where protection from dust and physical contact is necessary. As a double pole double throw relay, it allows for the simultaneous control of two separate circuits,