🔧 Uniweld USMAN5 SmarTech Wireless Digital Manifold: Bluetooth-enabled, with 5 Ft. Hoses for Efficient HVAC System Monitoring Review

The first "open box" was faulty - showing a non-zero pressure/vacuum when unplugged and uncalibrated. The second was a "new" instrument, perfectly calibrated at the factory and very accurate. I like the very low loss fittings on the pressure lines and the valve on the fill line makes it very easy to safely drain the lines when you're done.

prosphone app synced properly, distributor is well made, product has potential Cons Center connector is much larger than standard size so an adapter is needed to connect larger hoses and larger hose fittings and things are going badly here Central, the hose and adapter are very difficult and tight to connect to the freon tank. The temp clamps don't have anything to hold them on either, they just hang around. Bluetooth in this device syncs perfectly with the phone app and that's the biggest…

I bought this 6 months ago at the start of the chilling season in the Pennsylvania area, I'm a small HVAC business (30 years old) so it's not a huge workload. The only 2 minor complaints initially were that the black 3/8" hose was very stiff and difficult to put on and take off (yes, manufacturer, I took your advice and bought adapters that didn't do anything!) and the app cuts also away often . in the first month one of the clamps broke (all plastic) and the second in the 3rd month At the end…