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The WEISS INSTRUMENTS WEISS-TL20-160-4B is a 2-inch OD pressure gauge with a 0-160 PSI range, designed for use in plumbing, HVAC, and general fluid system applications. It features a 1/4-inch NPT center back mount (CBM) connection, allowing direct inline or panel installation on a variety of pipe configurations. The 2-inch dial face provides a clear, readable scale for field technicians monitoring system pressure. Licensed plumbers, HVAC technicians, and mechanical contractors regularly specify this gauge type for service and installation work on pressurized piping and equipment systems.
This gauge is suited for residential and light commercial applications where pressure monitoring is required on water, air, or compatible fluid systems. The center back mount connection simplifies installation on threaded pipe stubs and manifold ports. It is commonly installed on boilers, water supply lines, compressed air systems, and HVAC hydronic loops where continuous or periodic pressure readings are needed at the point of service.
Designed as an OEM-style replacement or new-installation pressure gauge for residential and light commercial plumbing, HVAC hydronic, and compressed air systems requiring a 2-inch dial, 0-160 PSI range, and 1/4-inch NPT center back mount connection.
Installation is typically performed by a licensed plumber or HVAC technician. Shut off and depressurize the system completely before removing an existing gauge or threading in a new one. Apply thread sealant tape or paste rated for the system fluid to the 1/4-inch NPT threads before installation. Verify the system operating pressure falls within the 0-160 PSI range before returning the system to service.
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