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Heating System/Altitude Gauge
Brand: Marsh Bellofram Group of CompaniesMarsh Instruments Heating System Gauges are available in 3-1/2” and 4-1/2” dial sizes. 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.
Features
- Adjustable Red Set Hand
- Multiple Standard Ranges Available
- 3.5″ or 4.5″ dials
Specifications
Accuracy
- 3-1/2": 3/2/3 % (ASME Grade B)
- 4.5": 2/1/2 % (ASME Grade A)
Dial Size
- 3-1/2" and 4-1⁄2" diameter
Case Material
- Steel, Black Painted
Mount
- LM - Lower Mount
Tube & Socket
- Copper Alloy
Movement
- Brass
Connection
- 1⁄4" NPT
Pressure Range
- 15 to 300 psi and 300 to 690 ft H₂O
Standard Scale
- psi, ft H₂O
Dial Color
- Black Markings on White
Pointer
- Aluminum, Black Painted
Window
- 4-1⁄2": Instrument Glass
- 3-1/2": Acrylic
- Heating Systems
- Water Tank Level
- HVAC
- Plumbing
- Commercial
- Industrial
