- For Heat Wagon Heater Model HVF310
- 18" diameter duct
- For single duct applications using HFV310
So you have the HVF310 portable oil indirect fired heater and would like to be able attach a duct to your heater and you will need a duct ring as well. Your solution from equipsupply.com is the BIE AR310 duct adaptor ring that is compatible with the HVF310 also from equipsupply.com. The AR310 duct adaptor ring must be used with the AR312 two-way duct adapter both items are from equipsupply.com.