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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Avoid using with corrosive fluids or steam unless specified by a technician using compatible seal materials
simplifying complex hydronic piping layouts
This HVAC thermistor assembly utilizes a 2-wire lead configuration for direct integration with the existing Model 2002 control board
the SPST circuit will remain open as a safety precaution
ensuring exact electrical specifications and mounting footprints
McDonnell & Miller FS4-3DS Switch THPU32HP7Y Avoid using with corrosive fluidsAs an HVACR veteran, you know that missing flow in a hydronic system or process loop is a recipe for catastrophic equipment failure. The McDonnell & Miller FS4 3DS (Part Number 114642) is the heavy duty solution when you need reliable liquid flow switch performance in aggressive environments. Built with a stainless steel body and wetted parts, this unit is specifically designed to handle corrosive fluids that would degrade standard brass models. It