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Always verify your boiler's service manual or part list before installation
and gas-fired combustion systems
This genuine OEM replacement part is compatible with various Lochinvar
High Enclosure Rating: IP66-rated housing protects internal bellows and silver contacts from dust and moisture ingress
Lochinvar & A.O. Smith 100208502 Relay 321142-301 Always verify your boiler's serviceThe Lochinvar & A. O. Smith 100208502 Relay is a high performance 1. 5HP pump relay kit engineered for precise load management in commercial and residential hydronic systems. As a critical OEM replacement part, this heavy duty relay ensures seamless electrical sequencing for 1. 5 horsepower circulation pumps, preventing motor lag and protecting the integrated control board from high amperage spikes. This component is widely utilized across the
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