HVAC Tool Review - Checking Gas Manifold Pressure With The Testo 510i

In this HVAC tool review I bust out the Testo 510i and check the manifold gas pressure on a package rooftop unit. I also check the negative pressure within the heat exchanger. The 510i is part of the Smart Probe family and is used in conjunction with the Smart Probes app. Check out the links below...

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Testo 510i
https://www.testo.com/en-US/testo-510i

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Preferred Testo Pricing
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