Trane VAL8717 TXV 321894-709 Scale accumulation within copper tubing

Scale accumulation within copper tubing insulation acts as a thermal barrier

What are the symptoms of a failing furnace burner

Built with a manual-reset design and rated for 120/240 VAC @ 15A

Designed to facilitate real-time monitoring of refrigerant charge and moisture levels

you will often see a vacuum on the low-side gauge

Trane VAL8717 TXV 321894-709 Scale accumulation within copper tubingThe Trane VAL8717 is a high performance 6 ton thermostatic expansion valve engineered for precise refrigerant metering in residential and light commercial HVAC systems. Designed for R410A refrigerant, this thermal expansion valve (TXV) features a 3 8 inch inlet and a 1 2 inch outlet with ODF (solder) connections, ensuring a secure, leak resistant fit. As a veteran grade OEM replacement part, it is functionally identical to the VAL08717, utilizing a