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TFI W01085 2-1/2 X 1-1/4 COPPER REDUCING COUPLING IMPORT
1 × $43.94 
1 1/2 x 1 GRV X THD RED 90 ELL
1 × $7.35 Subtotal: $51.29
The all new T-K4 models have an impresive max GPM of 8.0GPM ! The T-K4-OS has a built-in power venting system and was designed specifically for outdoor installations. The T-K4-OS does not require any additional Category III venting or vent caps, making installation one step easier for installers. The T-K4-IN can be installed indoor with option DV kit available.
