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Key Benefits for Contractors Reliable Proof-of-Flow: Factory-fixed set point at 0
preventing premature packing wear
a three-way body pattern from the Erie VT/VS series must be utilized
The concave design and factory-balanced construction are engineered to minimize shaft strain and motor bearing wear
Check for a ruptured diaphragm or a manual override that may be engaged
McDonnell & Miller FS1-J Switch Freon Key Benefits for Contractors ReliableThe McDonnell & Miller FS1 J (Part Number 113550) is a high sensitivity in line liquid flow switch designed for precision monitoring in systems with low flow rates. Featuring a 1 2" BSPT connection, this model is engineered for applications where early detection of flow or no flow conditions is critical to protecting equipment like chillers or high efficiency boilers. The snap acting SPDT switch provides reliable electrical signaling, allowing for
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