Roberts Gorden Vacuum Assisted Linear User Manual | Page 9 / 84 | Also for: Double Linear, U-Tube, and Multi-Burner Gas Fired Heating Systems BH15ST BH20ST, and Multi-Burner Gas Fired Heating Systems BH45UT/EF, and Multi-Burner Gas Fired Heating Systems BH70DL/EF, and Multi-Burner Gas Fired Heating Systems BH25ST/EF, and Multi-Burner Gas Fired Heating Systems BH45ST/EF, and Multi-Burner Gas Fired Heating Systems BH25UT/EF, and Multi-Burner Gas Fired Heating Systems BH50UT/EF, and Multi-Burner Gas Fired Heating Systems BH40ST/EF, and Multi-Burner Gas Fired Heating Systems BH40DL, and Multi-Burner Gas Fired Heating Systems BH60DL/EF, and Multi-Burner Gas Fired Heating Systems BH30DL, and Multi-Burner Gas Fired Heating Systems BH40UT/EF, and Multi-Burner Gas Fired Heating Systems BH15UT, and Multi-Burner Gas Fired Heating Systems BH30ST/EF, and Multi-Burner Gas Fired Heating Systems BH50ST/EF BH55ST, and Multi-Burner Gas Fired Heating Systems BH35ST/EF