40 AND 50 GALLON STANDARD INSTALL KIT 1 - 1/2" GAS SHUT OFF 1 - 1/2" GAS UNION 2 - 3/4"áPRESS DIELECTRICS 1 - 3/4" PRESS BALL VALVE 2 - 2' SECTIONS OF 26GA 3" FLUE 3 - 26GA 3" 90░ ELBOW 1 - 3/4" WITH 1/2" PRESS COPPER T 1 - 1/2" PRESS ANGLEáSTOP