1/2"x3/4" direct ignition dual automatic combination valve, 24vac, single stage, standard opening, 3.5"wc regulator setting, straight through body pattern, 30000-415000btu, 1/2# pressure rating, 1/8" pressure tapping with plug, ffor use with hot surface, direct spark systems or gas fired appliances, includes lp conversion kit, 3/4"x1/2" reducer bushings (1), 3/4" straight flange (1)

VR8305M3506 is the direct replacement for 841942