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Lennox HPXB15-042 Expansion Valve
Expansion valves are used in AC systems and allows the coolant to expand into its regular vapor state from a high-pressure liquid form. An air conditioning system could not emit cold air without a properly functioning valve.
Clues the expansion valve is on its last leg
- AC unit takes a really long time in its attempt cool your home
- The air is not cold enough as than the usual air coming from the AC
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If you are going to be buying or ordering a new Lennox HPXB15-042 replacement part, do your due diligence and cross-check the model number and also make a visual inspection in order to be sure the correct expansion valve is being ordered. Replacing the expansion valve can be quite easy assuming you have the time and have the tools to get it done.
Feel free to download your manual for help.
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