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for built-in sensor models like the 013G-8240
2 switch can be installed directly onto the unit to add burner-interruption safety features
It is highly recommended to use a 24V "C" wire connection
Whether managing economizer control
maintaining structural integrity in harsh outdoor conditions
Lennox 26K49 TXV 320788-703 for built-in sensor models likeThe 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
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