HHT Gas Valve LP Part #24034 Robert Shaw Valve Quadra-Fire, Heatilator Gas Valve Original HHT Parts Replacement Robert Shaw propane (LP) gas valve with regulator for Quadra-Fire and Heatilator gas stoves and fireplaces. Fits the following HHT Gas Fireplace models: Quadra-Fire Gas Stoves: DV400 & DV400L - After date code 12/96 DV750 DV425 & DV425L Sapphire 50 (DV450) Robert Shaw valve Heatilator Gas Fireplaces: GBi25 & GBi25L GBiS36 & GBIS36L GDCH36 & GDCH36L GDCL36 & GDCL36L GDCL60 & GDCL60L - Pre serial # GA1549727 GDCR36 & GDCR36L GDFL36 & GDFL36L GDST36 & GDST36L GDST60 & GDST60L CD4236R & CD4236LR - Pre serial # GA1563745 CD4842R & CD4842LR - Pre serial # GA1563745 GB4336 & GB4336L GB4942 & GB4942L GCBC36 & GCBC36L GCBC42 & GCBC42L GCBC60 & GCBC60L GCBC80 & GCBC80L GCDC36 & GCDC36L GCDC42 & GCDC42L GCDC60 & GCDC60F GCDC80 & GCDC80L GNBC30 & GNBC30L - After date code 18/02 GNBC33 & GNBC33L - After date code 18/02 GNBC36 & GNBC36L - After date code 18/02 GNDC30 & GNDC30L - After date code 18/02 GNDC33 & GNDC33L - After date code 18/02 GNDC36 & GNDC36L - After date code 18/02 GNDH30 & GNDH30L - After date code 48/96 GNDH33 & GNDH33L Max60 & Max60F NB3630 - Pre serial # GA1587915 NB3933 - Pre serial # GA1587915 NB4236 - Pre serial # GA1587915 NB4842 - Pre serial # GA1587915 ND3630 & ND3630L - Pre serial # GA1587914 ND3630M - Pre serial # GA1587914 ND3933 & ND3933L - Pre serial # GA1587914 ND3933M - Pre serial # GA1587914 ND4236 & ND4236L - Pre serial # GA1587914 ND4236M - Pre serial # GA1587914 ND4842 & ND4842L - Pre serial # GA1587914 ND4842M - Pre serial # GA1587914 Heatilator part # 24034 OEM Hearth & Home part May fit other models, check your owners manual for part numbers.