Features And Components; Front & Back Views - State Water Heaters 120 Series Service Handbook

front & bacK views
TOP COVER
ON / OFF SWITCH
UIM
(user interface module)
CONTROL INTERFACE
COVER.
TEMPERATURE
PROBE - LOCATED
BEHIND CONTROL
INTERFACE COVER
TANK GLASSING
PLUG COVER.
USED FOR
MANUFACTURING
PURPOSES ONLY.
DO NOT REMOVE
GLASSING PLUG
FOR ANY SERVICE
OR MAINTENANCE.
COVER MAY BE
REMOVED IF LEAK
IS SUSPECTED.
8

features and components

FRONT VIEW
HEATING LOOP
RETURN LINE
CONNECTION
3/4 INCH NPT
DRAIN VALVE
Servicing should only be performed by a Qualified Service Agent
2 INCH PVC
INTAKE AIR
CONNECTION
HEATING LOOP
SUPPLY LINE
CONNECTION
3/4 INCH NPT
TEMPERATURE
PRESSURE
RELIEF VALVE
BLOCKED EXHAUST
SWITCH SENSING TUBE
EXHAUST ELBOW
(2 INCH PVC VENT
CONNECTION)
CONDENSATE
DRAIN CONNECTION
Figure 3
BACK VIEW