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The Sensus 143-16-021-03 Red Spring is a critical calibration component engineered for high-capacity gas pressure regulators
Superior Voltage Protection: Rated for up to 440VAC
A compromised gasket can lead to "short-cycling" or failure of the low water cut-off to trip the burner circuit
This genuine Reznor HVAC part ensures the appliance operates within its factory-specified parameters for safety and efficiency
Industrial Durability: Solid brass construction resists fatigue and stress corrosion cracking
MARS 61611 Auxiliary The Sensus 143-16-021-03 Red SpringThe MARS 61611 is a professional grade 1 N C (Normally Closed) side mounted auxiliary switch engineered for integration with 25 60 Amp definite purpose contactors. As a veteran preferred HVAC contactor auxiliary switch, this component provides reliable feedback and interlocking for commercial refrigeration and air conditioning control circuits. This specific model is a direct replacement for Trane SWT1733, ensuring seamless mechanical compatibility
