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Heating System Gauge
Brand: Marsh Bellofram Group of CompaniesThe Heating System Gauge from Marsh Instruments 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.
Features- Adjustable Set Hand.
- Ranges to 300 psi and 690 Feet of Water.
- 3-1/2″ and 4-1/2″ Dials.
Specifications
Accuracy
- 3-1/2" ASME Grade B - ± 3/2/3 % (2 % of Range across middle half of scale)
- 4-1⁄2" ASME Grade A - ± 2/1/2 % (1 % of Range across middle half of scale)
Case Sizes
- 3-1/2" and 4-1⁄2" diameter
Case Material
- 4-1⁄2": Aluminum back flange Case, Black Painted
- 3-1/2": Steel, Black Painted
Case Style
- LM - Lower Mount
Tube & Socket
- Copper Alloy
Movement
- 4-1⁄2": Stainless Steel
- 3-1/2": Brass
Connection
- 1⁄4" NPT
Ranges
- Dual Scale 15 to 300 psi and 300 to 690 ft H₂O
Dial Standard
- psi, ft H₂O and metric
Dial Color
- Black Markings on White
Pointer
- Aluminum, Black Painted with Red set hand
Window
- 4-1⁄2": Instrument Glass
- 3-1/2": Acrylic Clearlok
Weight
- 3-1/2": 2.0 lb
- 4-1⁄2": 2.0 lb