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the 143-16-021-08 spring typically handles a 3 to 5 psi outlet range
Designed to handle all HFC/HCFC refrigerants and ammonia (NH3) applications
For service technicians addressing furnace short-cycling or thermal cutout issues
We recommend verifying your unit's serial number to ensure an exact match for your heating configuration
Resideo R24CB4007 Heat Sequencer 326058-755 the 143-16-021-08 spring typically handlesThe Resideo R24CB4007 Heat Sequencer is a field proven electric heat sequencer designed for precise staged control of heating elements and blower motors. Rated for a 24Vac input voltage, this multi stage controller manages power distribution to prevent circuit overloads during initial startup. It features a versatile 1 110 second on timing delay and a corresponding 1 110 second off timing delay across the first, second, and third switches, ensuring
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