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The York S1-025-32694-000 Limit Switch is a critical OEM replacement part designed for high-temperature circuit interruption in residential and commercial HVAC systems
the DFS-221 features 1/4" barbed sample line connections and standard 1/4" 90° male quick-connect spade terminals
Superior Sealing: High-performance EPDM gaskets provide excellent resistance to hot water and low-pressure steam applications
Durable SPST Logic: Features a high-integrity Single-Pole Single-Throw configuration for reliable circuit closure under demanding thermal cycles
75 to 4 psi per degree Fahrenheit
Reznor 123974 Fan Switch 30067439-890 The York S1-025-32694-000 Limit SwitchThe Reznor 123974 Fan Switch is a precise thermal control engineered for gas fired unit heaters and duct furnaces. Designed to manage blower cycles based on internal heat exchanger temperatures, this F135 30F fan control ensures the fan engages when the plenum reaches 135F and terminates operation once it cools to 105F (30F differential). As a direct replacement for part 48706, it maintains the critical timing required to prevent heat exchanger stress
US$ 38.39
US$ 24.00
US$ 35.00
US$ 23.99
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