Performed warranty repair on TXV replacement Recovered 5.8lbs of R410a refrigerant from system Removed old failed TXV Brazed in new TXV Pressurized system to 288 psi of nitrogen, held for 15 minutes. Released charge of nitrogen and put system in a vacuum. Pulled to 462 microns Added 5.8lbs of R410a. Cycled system and it cycled properly, now heating correctly. R410a pressure Low side pressure 115.5 psi (38.8 degrees) High side pressure 347.1 psi (106.1 degrees) Call Complete, HVAC operational