Standard 24V Logic: Compatible with all standard Trane and American Standard 24-volt control circuits and thermostats

the 1C21-101 is an ideal low voltage room thermostat for commercial and residential applications where "cool only" operation is required

These OEM replacement valve packing parts are the standard for contractors managing legacy Honeywell pneumatic hardware

but it is available individually for targeted seal maintenance

Reznor 50418 Limit Switch Standard 24V Logic: Compatible withThe Reznor 50418 Limit Switch is a critical OEM safety component engineered for Reznor HVAC equipment, specifically compatible with models like the UA100. This 125 145F auto limit switch functions as a high limit safety cut off, monitoring internal heat exchanger temperatures to prevent hazardous overheating. When the temperature exceeds the factory calibrated 145F threshold, the switch opens the electrical circuit to the gas valve, immediately