Heatfab 6" Crimp - 8" Non-Crimp Adapter Black Single Wall 22 Gauge Steel Chimney Pipe Increaser fbb4 79 kW) Average overall efficiency

79 kW) Average overall efficiency (dry cordwood)  64% (HHV)  68% (LHV)  Optimum overall efficiency  70% Optimum heat transfer efficiency  68% Average particulate emissions rate 1

Max BTU Output 5000 BTU's Product Dimensions 71

Waterproof surface for easy maintenance

Product Code Part No Size 4OV-BP 164410 4-Inch

Heatfab 6" Crimp - 8" Non-Crimp Adapter Black Single Wall 22 Gauge Steel Chimney Pipe Increaser fbb4 79 kW) Average overall efficiencyThe Heatfab 6" Crimp 8" Non Crimp Adapter Black Single Wall 22 Gauge Steel Chimney Pipe Increaser provides a reliable and durable solution for connecting different pipe sizes. Crafted from high quality 22 gauge steel, it ensures strength and longevity. Its black finish offers a clean, professional look while enhancing safety and performance. Ideal for adapting pipe sizes in chimney venting systems, this increaser is perfect for residential and