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the 71491054 features a manual and automatic changeover interface that ensures consistent climate regulation in multi-story buildings and hotel environments
This lead-free (NSF 61G) component is essential for heavy-duty HVAC copper coupling replacements where durability and leak-free performance are non-negotiable
it features an internal screen to prevent debris from clogging the valve mechanism
It features a reliable 0-5 VDC output
Lochinvar & A.O. Smith 100111065 Switch L99H008 the 71491054 features a manualThe Lochinvar & A. O. Smith 100111065 Blocked Outlet Switch is a critical safety component designed for high efficiency commercial gas fired systems, including the BTH, SUF, and HCG series. Engineered specifically for natural gas water heaters, this OEM replacement part monitors the venting system for potential obstructions. If the switch detects a significant restriction or blockage in the flue outlet, it immediately interrupts the control circuit to
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