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A Dwyer guage should be mandatory in all systems. I cram a 20x30x2" filter in the ceiling return, I don't understand why it's made just a few millimeters to narrow fkr the 2" filter.
@@HVACR559 Dwyer magna Helik gets put on an air handler in every room. Because they’re all exactly identical..
A Dwyer guage should be mandatory in all systems. I cram a 20x30x2" filter in the ceiling return, I don't understand why it's made just a few millimeters to narrow fkr the 2" filter.
@@HVACR559 Dwyer magna Helik gets put on an air handler in every room. Because they’re all exactly identical..