The HM675 Hydronic Manometer is used to balance hydronic heating and cooling systems, check pump performance and to set balancing valves. It can measure and display differential, high side and low side pressure simultaneously, without having to change hose connections or instrument valve settings. Model features a backlit display and operates on four alkaline or NiMH rechargeable batteries.

The HM675 is used to balance hydronic heating and cooling systems and to check pump performance. The HM675 can measure and display differential, high side, and low side pressures simultaneously without the need to change hose connections or instrument valve settings.

Features and Benefits

• Measure and display high side, low side, and differential pressure simultaneously from -300 to 300 psi (-2,068 to 2,068 kPa)
• Robust, splash-proof case
• Inputs for two temperature probes

HM675 kit includes

• Hard carrying case
• (2) 6.7 ft x ¼-in. (2 m x 6 mm) hoses with shut-off valves
• (2) B&G readout probes
• (2) P/T gauge adapter probes
• Power cord