Replacement UD6 outside air duct for Heatilator wood fireplaces. Fits the following models:
Heatilator Wood Fireplaces:
- MEL36-B
- MEL36-BK
- MEL42-B
- MEL42-BK
- MH42A
- MH42A-BD
- MHST36D
Heatilator part # 4021-632
OEM HHT part
May fit other models, please check your owner’s manual for part number compatibility.
This product has a 1-year manufacturer’s warranty. The warranty is void if the part is installed in a unit it is not compatible with.
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