Internal Protection: The isolated spring chamber prevents water contact with the spring

which are functionally equivalent to most Honeywell and TOD models

Smith gas valve replacement

Leveraging the Armstrong Series B design

Direct OEM Fit: Eliminates the need for field splicing or modifications

York S1-1TVMBA1 TXV Kit R-407A Internal Protection: The isolated springThe York S1 1TVMBA1 TXV Kit is a precision engineered OEM thermal expansion valve designed to optimize refrigerant metering in R 410A systems. Built for high performance HVAC residential and light commercial applications, this kit is compatible with 1. 5 to 3 ton nominal capacity units, ensuring accurate superheat control and evaporator efficiency. Featuring a 3 4 inch Chatleff connection, the valve provides a secure, leak resistant interface