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This rating indicates the specific suction or positive pressure required to actuate the internal diaphragm and close the electrical circuit
Super Slim Jim universal replacement thermocouple specifically engineered for high-performance gas valves
High MOPD Rating: Engineered to open reliably under high pressure differentials common in R-410A systems
provided the 480V service and 70W heat profile are technically appropriate for the application
York S1-373-13300-604 Limit Switch 30067439-890 This rating indicates the specificFor service technicians managing 3 to 6 ton rooftop units, the York S1 373 13300 604 Limit Switch is a critical safety component designed for high limit protection. This HVAC auto reset limit switch is engineered to monitor primary heat exchanger temperatures, featuring a precise 105 165F temperature range. When discharge temperatures exceed the 165F threshold, the switch opens the control circuit to prevent thermal overloading, automatically