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Its rugged construction provides reliable low water protection in gravity-return systems
Can this VFD be used as a phase converter
3/4" outlet)
is a heavy-duty side-wall venting solution designed for oil or gas-fired appliances
making them fully interchangeable in the field
Lochinvar & A.O. Smith 100208661 Flow Switch 320788-704 Its rugged construction provides reliableThe Lochinvar & A. O. Smith 100208661 Flow Switch, also identified by part number 781621 or alias FS8 W, is a heavy duty liquid flow switch engineered for precise proof of flow detection in high efficiency commercial boiler systems and water heaters. Designed as a direct HVAC replacement part for the McDonnell & Miller FS8 W, this unit features a durable stainless steel #3 paddle configuration to ensure reliable contact closure once the system pump