🔍 HVAC Gas Tester - Digital Dual Port Air Pressure Meter Gauge: Differential Pressure Manometer with 5/16 Inches Diameter Pressure Port, Hti-Xintai Review

You look pretty. Well built. Compact (which I like). I was really hoping they would suit me as the ability to measure and log wirelessly is very useful, but they lack key features. No function of zero, difference selection, hold, min/max/average, start/stop recording. No device, no app. To change units on the device itself, you need to unscrew the battery cover and use a paper clip on the hidden switch. You can also switch units in the app, but the units will not switch on the device. This will

Worked fine the first time I used it at the oven pressure set after switching to LPG but only time will tell. I love that the included silicone tubing is the right size to easily fit the molded regulator fittings, and the manufacturer also includes a fitting for legacy regulators and gas line testing. The experienced technician who looked over my shoulder adjusting the regulator pressure and signed the adjustment liked the flow meter. He noted the price and brand as he was interested in buying.

The performance and accuracy really impresses this professional HVAC/power engineer, especially at $35. It even includes a data logging feature, which is very useful for intermittent issues like the one I used to have trouble fixing. This thing almost paid for itself before I installed the battery, which another reviewer reported isn't a setup issue if you're careful with the port wiring. Not only can you troubleshoot dozens of aspects of your complex furnace/air conditioner (condensing…