Heating System Gauge

The 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.



  • Adjustable Set Hand
  • Ranges to 300 psi and 690 Feet of Water
  • 3-1/2″ and 4-1/2″ Dials