Ametek 164454 Pressure Gauge 2.5 in 0-160 Psi Center Back Mount

Product Description

The AMETEK 164454 is an analog pressure gauge designed for monitoring system pressure in HVAC, plumbing, and light industrial applications. It features a 2.5-inch dial face with a 0 to 160 psi range and a 1/8-inch center back mount connection. The front flange mount design allows for panel or bulkhead installation without additional hardware. Accuracy is rated at plus or minus 3-2-3 percent of scale, meaning 3 percent at the lower and upper ranges and 2 percent through the mid-range. Plumbers, HVAC technicians, and mechanical contractors install this gauge to verify operating pressure on closed systems, test ports, and service panels.

This gauge suits residential and light commercial systems where a compact dial size and standard 1/8-inch NPT back connection are required. The front flange mounting style is common on panel-mounted gauge boards and manifold assemblies. It is appropriate for use on water supply lines, refrigerant manifolds, compressed air circuits, and similar low-to-medium pressure fluid systems operating within the 0 to 160 psi range.

Key Features

• 2.5-inch analog dial face for easy field reading
• 0 to 160 psi pressure range suits common HVAC and plumbing service pressures
• Plus or minus 3-2-3 percent of scale accuracy across the full range
• 1/8-inch center back mount connection for standard NPT fittings
• Front flange design supports panel or bulkhead mounting

Compatibility

Designed as an OEM-style replacement or service gauge for residential and light commercial systems requiring a 2.5-inch dial, 1/8-inch center back mount pressure gauge rated to 160 psi. AMETEK model number P845FFK.

Installation Notes

Installation is typically performed by a licensed plumber, HVAC technician, or mechanical contractor. Depressurize and isolate the system before removing any existing gauge or fitting. Use appropriate thread sealant on the 1/8-inch NPT connection per local plumbing or mechanical code requirements. Do not over-tighten the gauge body; use a wrench on the hex fitting only, not on the dial case.