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Nortek Global HVAC 669845R is a thermostatic expansion valve (TXV) replacement kit that includes an equalized check valve for R-410A systems. The 669845R regulates refrigerant flow into the evaporator for 2â3 ton indoor HVAC units and is constructed of bi-metal components. The assembly measures 4 x 2.5 x 6.25 inches, weighs about 1 lb, and is listed under Part # NOR669845R with a California Proposition 65 warning.
Thermostatic expansion valve kit (TXV) for R-410A, 2â3 ton indoor systems; Part # NOR669845R; Prop 65 warning applies.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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