A sight glass is commonly installed in the liquid line of systems that use a thermostatic expansion valve (TXV) metering device, and it allows technicians to view the condition of the refrigerant at ...

As the old saying goes, an ounce of prevention is worth a pound of cure. This is especially true when replacing a thermostatic expansion valve (TXV). Always take the necessary precautions when ...

Timothy has written about personal finance, including detailed home renovation and repair cost guides, since 2017. His work covers everything from plumbing and roofing to solar and pest control. Find ...