Replacement air shutter assembly for Heatilator gas fireplaces. Fits the following models:

Heatilator Gas Fireplaces:

• NBV30-IFT
• NBV33-IFT
• NBV36-IFT
• NBV3630
• NBV3630I
• NBV3630I-B
• NBV3933
• NBV3933I
• NBV3933I-B
• NBV42-IFT
• NBV4236
• NBV4236I
• NBV4236I-B
• NBV4842
• NBV4842I
• NBV4842I-B
• NDV30-IFT
• NDV30L-IFT
• NDV33-IFT
• NDV33L-IFT
• NDV36-IFT
• NDV36-IFT-NVR
• NDV3630
• NDV3630I
• NDV3630I-B
• NDV3630IL
• NDV3630IL-B
• NDV36L-IFT
• NDV3933
• NDV3933I
• NDV3933I-B
• NDV3933IL
• NDV3933IL-B
• NDV42-IFT
• NDV4236
• NDV4236I
• NDV4236I-B
• NDV4236I-NVR
• NDV4236IL
• NDV4236IL-B
• NDV42L-IFT
• NDV4842
• NDV4842I
• NDV4842I-B
• NDV4842IL
• NDV4842IL-B
• NEVO3630I
• NEVO3630I-B
• NEVO4236I
• NEVO4236I-B
• NNXT33-IFT
• NNXT33L-IFT
• NNXT36-IFT
• NNXT36L-IFT
• NNXT3933I
• NNXT3933IF
• NNXT3933IF-B
• NNXT3933IL
• NNXT3933ILF
• NNXT3933ILF-B
• NNXT4236I
• NNXT4236IF
• NNXT4236IF-B
• NNXT4236IL
• NNXT4236ILF
• NNXT4236ILF-B

Heatilator part # SRV4055-202
Replaces part # 4055-202
OEM HHT part

May fit other models, please check your owner’s manual for part number compatibility.