4021-737 Propane Pilot Assembly for HHT Fireplaces

4021-737 Fits the following HHT gas fireplace models:

Quadrafire Gas Fireplaces:

• QV32
• QV32-A
• QV36
• QV36-A
• QV36D
• QV36D-A
• QV36DB
• QV36DB-A
• QVI-30FB
• QV-Pier
• QV-ST

Heatilator Gas Fireplaces:

• 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

Heat N Glo Gas Fireplaces:

• AT-Grand-B
• AT-Grand-C
• AT-Grand-D
• AT-Supreme-B
• AT-Supreme-C
• AT-Supreme-D
• AT-ZC-B - Robert Shaw valve after February 2001
• Bay-Insert-NS
• CFX-Grand-B
• CFX-IN-B
• FB-Grand
• FB-IN
• Bay-38HV
• L-COR-TRC
• L-COR-TVFL
• Pier-38HV
• Pier-TRC
• Pier-TVFL
• R-COR-TRC
• R-COR-TVFL
• ST-38HV
• ST-42TVFL
• ST-TRC
• 6000BE
• 6000CAMP
• 6000SEB
• 6000TRB
• 6000TRI
• 6000TRI-SP
• 6000TR-OAK
• 6000TRXI
• 6000TVB
• 6000TV-Oak
• 6000XLSB
• 6000XLTB
• 7000TR-NF
• 7000TV-NF
• 7000XLS-NF
• 7000XLT-NF
• 8000TRC
• 8000TRD
• 8000TR-Oak - Pre serial # 0021116425
• 8000TVC
• 8000TVD
• 8000TV-Oak - Pre serial # 0021116948
• BE-41
• BE-41B
• Everest - Standing pilot only, pre serial # 5000
• BE-32 - Pre serial # 2107620
• BE-36
• BE-36-C - Pre serial # 0021076020
• SL-350TRS
• SL-350TV
• SL-550TR
• SL-550TR-C
• SL-550TR-D - Pre serial # 0021076206
• SL-550TRS
• SL-550TRS-B
• SL-550TRS-C
• SL-550TV
• SL-750TR
• SL-750TR-C
• SL-750TR-D - Pre serial # 0021076251
• SL-750TRFL
• SL-750TRS-B
• SL-750TRS-C
• SL-750TV
• SL-750TV-C
• SL-950TR
• SL-950TR-C
• SL-950TV

The 4021-737 pilot assembly may fit other models, check your owners manual for part numbers.