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the Trane CNT03781 (updated part number) offers a seamless drop-in replacement for failed normally closed (NC) limits
Proven Durability: Solid-state PTC design with snap-acting disc technology ensures positive make/break action under industrial conditions
tamper-proof housing eliminates the need for capillary tubes
This 115V rated switch provides a direct fit for 5H73593
Direct Replacement: Replaces the "new style" diaphragms to prevent air leaks and restore full actuator travel
Lochinvar & A.O. Smith 100208495 Panel Mount the Trane CNT03781 (updated partThe Lochinvar & A. O. Smith 100208495 Relay Board Panel Mount is a critical electrical control component designed for high demand hydronic and domestic hot water systems. Running on a standard 24Vac coil, this panel mount relay provides reliable switching for essential peripheral hardware, including system pumps, fans, and auxiliary blowers. Rated for heavy duty cycling, the 100208495 ensures precise voltage distribution, preventing intermittent
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