HVAC/R

Marsh Bellofram HVAC/R gauges are ruggedly designed to meet the everyday requirements of the heating, plumbing and refrigeration maintenance industries, as well as building inspection and construction, to help ensure systems are operating according to code. The gauges are offered in a variety of unique styles and types to meet the specific needs of each type of testing environment, with steel casing and copper alloy components and clear, easy-to-read dual pressure and temperature dial readout units.

Gas Test Gauge

Gas TestUse to pressure test all new gas installations for leaks and passing inspection codes. After installing Gas Test Gauge, the system is pressurized with air. Any leakage will be indicated by a pressure drop on the gauge.

Serviceman´s Gauge

Serviceman's gauge photoMarsh Instruments Deluxe Serviceman Test Gauge is designed to assure the modern serviceman the best possible gauge for testing refrigeration equipment. Corresponding, easy-to-read temperature scales are printed in red on the inner arcs of the dial face.

Manifold Gauge

Manifold Gauge PhotoThese gauges are designed for the pressure measurement of refrigeration systems. All dials are furnished with corresponding temperature scales for the various refrigerants. Dials feature R-12, R-22, and R-502. Standard connections are 1⁄8 NPT lower mount with your choice of red or blue case.

Refrigeration Ammonia Gauge

Refrigeration Ammonia GaugeMarsh Ammonia Gauges include a restrictor that protects the gauge against sudden shock or pulsating pressure. The inner dial arc shows pressure, outer arc shows the corresponding temperature scale. Marsh Refrigeration Ammonia Gauges are available in a plain stainless steel case.

Refrigeration Gauge

Refrigeration GaugeMarsh Refrigeration Gauges are sturdily constructed and tested to give long, continuous, accurate service. In addition to the standard pressure or compound scale, dials also show the corresponding temperature scales for R-12, R-22, and R-502, in the various combinations shown in the chart below. Dial markings are sharp, clear and easy to read.

Contractor´s Gauge

Contractor's Gauge PhotoMarsh Instruments Contractor’s HVAC Service Gauge is a newly redesigned gauge with a long-life movement to meet the needs of contractors in air conditioning, heating, plumbing and refrigeration. This rugged and reliable gauge is economically priced and offers many features normally found on more expensive gauges such as adjustable pointer, acrylic lens and polished stainless steel case.

Heating System Gauge

Heating Gauge PhotoMarsh Instruments Heating System Gauges are available in 3-1⁄2" and 4-1⁄2" dial sizes in the most popular ranges. An adjustable red altitude pointer is standard on feet-of-water gauges. This feature allows the user to indicate the head of water to be maintained in the system.
Marsh Instruments Heating System Gauges provide accurate psi and feet-of-water measurements in elevated tanks, reservoirs, standpipes, and similar applications where reliability and dependability are crucial in heating system equipment.