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and MSZ-GE18NA models
it is built to withstand demanding process heating environments
It eliminates the guesswork during control board replacement by defining system-specific logic
Reliable flame rectification sensing for safe operation
Lennox 12J37 TXV 321894-706 and MSZ-GE18NA modelsWhen you're out in the field facing a 5 ton residential split system with a collapsed suction pressure or hunting superheat, you need an exact replacement to get the job done right. The Lennox 12J37 TXV is a genuine R 410A thermostatic expansion valve designed specifically for Lennox indoor evaporator coils. Featuring a 3 8" ODM inlet and a 1 2" ODF outlet, this brass body valve ensures precise refrigerant metering across varying load conditions. It
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US$ 64.95
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US$ 64.87
US$ 125.00
