Tjernlund GPAK1 Complete Vent System for Gas Heaters Up to 250,000 BTU
- All operating components located indoors for weather protection and easy servicing.
- Accommodates vent pipe runs up to 100 equivalent feet.
- Regulated, consistent draft throughout burner cycle.
- Built-in Fan Proving Switch interlocks with gas valve.
- Kit includes everything needed for installation, except vent pipe.