Burner insertion sleeve length
Firing rate (USGPH) 0.65 0.75 0.65 0.75 0.65 0.75
Input (BTU/h) 91 000 105 000 91 000 105 000 91 000 105 000
Capacity (BTU/h) 70 000 83 000 70 000 83 000 70 000 83 000
1st hour rate at 55.6°C (100°F) temperature rise 125 USG 183 USG 125 USG 183 USG 154 USG 198 USG
Flue draft
Nozzle Delavan 0.65-80W 0.65-80W
Pump pressure (psi) 100 100
Air settings 7/0 7/0
ATC AF65B0 AF65B0
Low firing rate baffle YES YES
Static disc, model 3 3/8"R 3 3/8"R
Nozzle Delavan 0.65-80B
Pump pressure (psi) 100
Air settings 3/0
ATC AF72YH
Low firing rate baffle YES
Static disc, model 3 3/8"U
Nozzle Delavan 0.65-70A 0.65-70A
Pump pressure 135 135
Combustion air adjustment (turbulator/damper) 0 / 3.5 0 / 3.5
Nozzle
Pump pressure 165 175
Combustion air adjustment (turbulator/damper) 0 / 1.5 2 / 1.0
Overall dimensions (width x depth x height)
Flue pipe diameter
Tank capacity
Shipping weight
Maximum operating pressure 150PSI