Sensus 046-00-021-00 Spring For technicians troubleshooting furnace fan

For technicians troubleshooting furnace fan control issues

technicians can quickly swap out the worn seat to ensure the normally open valve meets its original close-off specifications and proportional control requirements

the 5H0547510040 is the current OEM direct replacement for the discontinued or older 5H54751-40 part number

this high-limit safety control prevents heat exchanger fatigue by breaking the 24V or 120V circuit to the gas valve or heating elements during restricted airflow conditions

Always verify coil voltage before installation

Sensus 046-00-021-00 Spring For technicians troubleshooting furnace fanThe Sensus 046 00 021 00 Spring is a critical calibration component designed for the Sensus Model 046 field regulator series. Engineered for high pressure service, this Yellow Spring provides a precise outlet pressure range of 3 10 psi, making it the standard choice for "pounds to pounds" regulation in farm taps, gas blanketing systems, and industrial air or gas applications. This specific part is physically identical to the Sensus 04600 021 00,