4 Best

Air Furnaces

of March 2024

  1. Product Highlights
    • ✅【dual input port】based on dual port design, one for checking positive pressure, another for testing negative pressure and use these two port together to get the air pressure difference easily. comes with two pieces 4mm diameter hoses and standard 1/8 inch hose adapter, practical air pressure tester to check & replace natural gas furnace gas valves, diagnose tankless wa...
    • ✅【easy to use】12 gas pressure unit options (mmhg, inhg, fth₂o, cmh₂o, inh₂o, pa, kpa, mbar, bar, psi, kgcm² and ozin²) , 3 measure modes(max, min, differential dif) and 5 buttons simple operation design, help you to get use of this 200g portable differential pressure monitor easily.
    • ✅【range & accuracy】btmeter pro gas pressure gauge could measure ±2.999psi or ±20.68kpa with ±0.29%fso high accuracy and 0.001 resolution, display ambient temperature -40°f~176°f(-40℃~80℃)
    • ✅【zero out】supports "return to zero" function, easy to clear out the remainding data and easure you could get an accurate gas pressure measurement reading. a must have for every hvac tech to check air flow pressure, static pressure or pressure switch during commercial ac air conditioner system installation & maintenance.
    • ✅【practical design】hd backlight lcd dispaly, show you the air pressure differential reading clearly even in dark. auto power off feature to save battery life and one button “data hold” to freeze measurement reading freely. quality differential pressure tester comes with lifetime technical support and 365 days warranty. no pressure purchasement.
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