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The DWYER INSTRUMENTS 4cts-1-060-4l-ft is a water pressure gauge designed for HVAC and plumbing systems where accurate, reliable pressure monitoring is required. It features a 4.5-inch dial face for easy reading in the field and a 1/4-inch male pipe thread lower mount connection. The gauge is rated to 60 psi and is housed in a stainless steel case, adding corrosion resistance in wet or humid service environments. It carries NSF 372 and NSF 61 certifications, making it suitable for potable water system applications. Licensed HVAC technicians and plumbers install this gauge on hydronic loops, water distribution lines, and HVAC water circuits.
This gauge is suited for residential and light commercial HVAC water systems, hydronic heating and cooling loops, and potable water plumbing applications where NSF-certified components are required. The lower-mount, 1/4-inch MPT connection allows direct installation into tapped ports on pipes, headers, or manifolds without adapters in most standard configurations. The large 4.5-inch dial improves readability in equipment rooms and mechanical spaces where precise pressure monitoring supports system diagnostics and balancing.
Designed as an OEM-style replacement or new-installation pressure gauge for HVAC hydronic systems and potable water plumbing lines requiring a 1/4-inch MPT lower-mount gauge with a 4.5-inch dial and 60 psi range.
Installation is performed by licensed plumbers or HVAC technicians. Shut off and depressurize the system before removing an existing gauge or installing this unit into a new port. Apply thread sealant tape or compound rated for the service fluid to the 1/4-inch MPT threads before making up the connection. Follow applicable IPC and IFGC code requirements for gauge installation on pressurized water systems.
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