Heating System/Altitude Gauge
Marsh 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
Applications:
- Heating Systems
- Water Tank Level
- HVAC
- Plumbing
- Commercial
- Industrial
Spec Accuracy
3.5" +/- 3/2/3% (ASME Grade B), 4.5" +/- 2/1/2 % (ASME Grade A)
Bezel
3.5"- Twist Lock Lens, 4.5" Aluminum, Black Painted
Connection
1/4" NPT Lower Mount
Design
Meets/Exceeds ASME B40.100
Pointer
Aluminum, Black Painted
Mount
3.5" - Lower Mount, 4.5" Lower Mount with Backflange
Vent Plug
N/A
Accuracy
+/- 3/2/3% (ASME Grade B)
Series
Heating System/Altitude Gauge
Dial Color
Black Markings on White
Dial Size
3.5" or 4.5"
Pressure Ranges
15/300 psi and 30/690 ft H2O
Case
Steel, Black Painted
Standard Case Fill
Dry, Non-Fillable
Window
3.5" - Acrylic, 4.5" Instrument Glass
Movement
Brass
Dial Size(s)
3.5" or 4.5"
Ambient Temperature
Dry -40 to 160
Internal Material
Copper Alloy
Tube & Socket
Copper Alloy
Standard Scale
psi/ft H2O
Weight(s)
see variation page
Find Your Part Number
Not sure? Call for help. Phone: 304-387-1200
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