Sensus 138-18-021-01 Spring If the circuit is open

If the circuit is open while the furnace is cool

the ICM203F initiates the delay period

utilize light pressure and verify tooth alignment with the specific FPI to avoid piercing the flat tubes

or uneven heat distribution typically indicate a blockage or wear in the burner orifice

This high-temperature 147200 gasket is designed to create a hermetic seal within the control assembly

Sensus 138-18-021-01 Spring If the circuit is openWhen you're servicing or upgrading a Sensus 243 RPC regulator, precision in your spring selection is what prevents callback heavy issues like pressure drift or poor lock off performance. The Sensus 138 18 021 01 White Spring is the industry standard for technicians needing a reliable 1 to 5 PSI outlet pressure range. This heavy duty RPC pilot spring is specifically engineered to handle the unique relay action requirements of the Sensus Gas Division