Lennox 26K49 TXV 320788-703 it should be mounted in

it should be mounted in a location protected from direct water exposure or heavy condensation to maintain electronic integrity

it requires a minimum pressure differential of 1 PSI to lift the diaphragm and maintain flow

Whether managing economizer control

maintaining structural integrity in harsh outdoor conditions

reducing system downtime during critical cooling seasons

Lennox 26K49 TXV 320788-703 it should be mounted inThe Lennox 26K49 Thermostatic Expansion Valve (TXV) is a critical metering component engineered specifically for 3 ton R22 refrigerant systems utilizing a B10 flowrater configuration. Designed to optimize evaporator efficiency, this internally equalized expansion valve maintains precise superheat levels across varying thermal loads, preventing liquid slugging and protecting the compressor from premature failure. As a direct OEM Lennox replacement