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The KING 75201102C-17 is a block-style, panel mount flowmeter designed for measuring gas flow in compressed air and industrial gas systems. Built with an acrylic housing, it provides a clear visual indication of flow rate up to 4 SCFM. The unit accepts a 1/4 inch FNPT port connection and is rated for a maximum working pressure of 125 psi. This flowmeter is suited for HVAC, laboratory, and light industrial applications where accurate flow monitoring is required. Installation is typically performed by HVAC technicians, plumbers, or mechanical contractors familiar with gas flow systems.
This flowmeter is designed for panel-mounted installations where a compact, block-style body is needed. The 1/4 inch FNPT port threads directly into standard fittings used in compressed air lines, gas distribution panels, and similar plumbing assemblies. Its acrylic construction allows technicians to visually monitor flow conditions without additional instrumentation. Typical use cases include air flow balancing, purge line monitoring, and controlled gas delivery setups in both residential and light commercial mechanical rooms.
Designed as an OEM-style replacement or direct-fit flowmeter for panel-mounted gas flow monitoring applications using 1/4 inch FNPT threaded connections.
Installation should be performed by a licensed HVAC technician, plumber, or qualified mechanical contractor. Shut off and depressurize the supply line before making any threaded connections. Apply appropriate thread sealant compatible with the gas or air media being measured. Do not overtighten the FNPT fittings into the acrylic body, as the material can crack under excessive torque.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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