The automatic expansion valve (AXV) is similar in construction and appearance to the commonly used thermostatic expansion valve (TXV). However, the metering devices operate much differently. The AXV ...

and controls the freon flow through the system (and the pressure difference between the two sides). The inlet side of the valve is at high pressure and the freon is a room temperature liquid at this ...

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 ...