Honeywell 1/2″x1/2″ direct ignition dual automatic combination valve

Honeywell 1/2″x1/2″ direct ignition dual automatic combination valve, 24vac, single stage, step opening, 10″wc full rate 4″wc step setting 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)