the R/RS series is not designed for dead-end lockup

Proper installation requires careful alignment to maintain the correct spark gap

the integrity of your linkage assembly determines the accuracy of your airflow control

and retrofit adapter

Trane VAL3615 TXV R-410A the R/RS series is notThe Trane VAL3615 is a high precision thermostatic expansion valve (TXV) engineered for R 22 refrigerant systems with a nominal 1. 5 ton capacity. Designed as an OEM replacement for residential air handlers and heat pumps, this HVAC expansion valve regulates refrigerant flow to maintain stable evaporator superheat, protecting the compressor from liquid slugging while maximizing heat transfer efficiency. This valve features a 3 8 x 1 2 ODF sweat