The HM670 is used to balance hydronic heating and cooling systems and to check pump performance. The HM670 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

• Large backlit display for use in low light areas
• Operates on four alkaline or NiMH rechargeable batteries
• Reads in. H2O, ft. H2O, psi, in. Hg, mm H2O, kPa, mm Hg, bar

HM670 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