Filter
Top Products
ULTRAFORCE COMMERCIAL GAS WATER HEATER
SUF 120 thru 400 SERVICE HANDBOOK
State Water Heaters – Technical Training Department 13 Ashland City, Tennessee © 2009
Servicing should only be performed by a Qualified Service Agent 198152-002
DIRECT VENTING – ALL MODELS
The air intake provided on the unit contains a mesh screen to prevent large particles from entering the
unit. WHEN THE UNIT IS TO BE SET UP AS A DIRECT VENT, THE BALANCE PLATE AND MESH
SCREEN MUST BE REMOVED BEFORE GLUING PIPE TO THE CONNECTOR. THE INLET VENT
PIPE MAY THEN BE GLUED TO THE AIR INTAKE PROVIDED ON THE UNIT.
Remove the balance plate and mesh
screen before gluing intake air pipe
to the fitting.
3” 120-250
4” 300- 400
45° PVC Elbow
Two 3” or 4” 45° PVC elbows with mesh screens are provided with each unit. Both elbows are
to be used in direct vent applications. The screens are provided to keep vermin and large
debris from entering the intake air and exhaust vent runs.