Webaug 2, 2010 · before condemning a txv, all other possible causes should be investigated and ruled out before looking at the txv. A defective txv that results in a starved. Webaug 24, 2024 · check out for the following symptoms to be sure that your txv has restrictions: Low pressure in the evaporator. The refrigerant vaporization in the. Webto diagnose a bad txv, look for: These conditions may appear with either a clogged txv or a clogged liquid line, because the txv is part of the liquid line. Webthermostatic expansion valves (txvs) are often misdiagnosed as the root problem in poorly performing air conditioning and heat pump systems.
