Carrier 331709-797 TXV Kit 318172-701 it is a critical replacement

it is a critical replacement for the Robertshaw 712 series Uni-Kit and various OEM furnace ignition parts

a horizontal output shaft orientation is technically preferred

Common Questions: When should I replace my V-4710-601 diaphragm

Can I use these tappings for a pressure test gauge

Engineered for high-precision environmental monitoring

Carrier 331709-797 TXV Kit 318172-701 it is a critical replacementThe Carrier 331709 797 TXV Kit is a vital OEM replacement part designed for high capacity residential air conditioning and heat pump systems. Engineered specifically for R 410A refrigerant, this 6 ton thermostatic expansion valve ensures precise metering to maintain optimal superheat and evaporator efficiency. As a hard shutoff TXV, it prevents refrigerant migration during the off cycle, which is essential for protecting the compressor from liquid