Heil 1176529 natural gas valve, 24v, 1/2 inch; replaces 1172821, 20058601, EF32CB192, Honeywell VR8205S2437 and VR8205S2874. This is the same part for Quaker Heil, ICP,International Comfort Products, Comfortmaker,Tempstar,Arcoaire,Day & Night, KeepRite and Lincoln