Hydronic Manometers

Model: HM675

Hydronic Manometer Model HM675 is used to balance hydronic heating and cooling systems, check pump performance and set balancing valves.

  • Product Details
  • Features & Benefits
  • Resources

Product Details

It can measure and display differential, high side, and low side pressures simultaneously, without the need to change hose connections or instrument valve settings.


  • Instrument
  • Hard carrying case
  • (2) 6.7 ft x 1/4-in. (2 m x 6 mm) hoses with shut-off valves
  • (2) B&G readout probes
  • (2) P/T gauge adapter probes
  • Power cord

Features & Benefits

  • Provides for inputs for two temperature probes
  • Differential pressure range ±300 psi (±2068 kPa)
  • Gauge pressure range -20 to 300 psi (-138 to 2068 kPa)
  • Reads in. H2O, ft. H2O, psi, in. Hg, mm H2O, kPa, mm Hg, or bar
  • Large backlit display for use in low light areas
  • Operates on four alkaline or NiMH rechargeable batteries
  • Robust, splash-proof case
  • Meter weight with batteries is 2.65 lbs (1.20 kg)



TSI Hydronic Manometers – Introduction

TSI Hydronic Manometers – Taking Measurements

TSI Hydronic Manometers – Zeroing Sensors and Purging Air