Hydronic Manometer Water Air Pressure Meter

Use to balance hydronic heating and cooling systems and to check pump performance.|Reads pressure in PSI, ft H2O, kPa, mm HG, in HG, in H2O, bar|Reads volume in USGPM, UKGPM, m3h, l/s, l/m|Durable splash-proof case|Large backlit display for use in low illumination|The perfect instrument for test and balancing HVAC systems, checking pump performance, and setting balancing valves. Provides flow and BTU/hr calculations. Measure and display differential, high side, and low side pressures simultaneously without having to change hose connections or instrument valve settings. Operates on four alkaline or NiMH rechargeable batteries.|HM675 kit includes: Hard carrying case, two 6.7 ft x 1/4 in hoses with shut-off valves, two B&G probes, two P/T gauge adapter probes, power cord, and four AA NiMH batteries.