HVAC Tip - Checking Manifold Gas Pressure

HVAC KNOW IT ALL | | Categories: heating tech tip , how to check gas manifold pressure , testo510i


Checking/testing gas fired appliance manifold pressure is an integral part of service, maintenance and unit start up for optimal performance.  It could be the difference between a properly functioning system to a potentially pre-mature failure of a heat exchanger and more...Under fired or over fired appliances like furnaces, boilers, and package rooftop units could have varying symptoms, although that is for a different post.  The video below focuses on how to test gas manifold pressure with bonus footage of checking the negative heat exchanger pressure needed to close the pressure switch.  Always use the manufacturer info to determine what manifold pressure to set your appliance to.  


Check out the link to my YouTube channel for more tips, tricks, and troubleshooting videos and check out the The HVAC Know It All podcast here or on your favourite podcast app.  Also visit Trutechtools.com to save 8% off your purchase using promo code "knowitall" at check out.  Happy HVACing...

Gary McCreadie