AERCO ECS Retrofit - Manual (Page 6)

6
BOTTOM
TOP
SOLENOID
VALVE
LOAD ALERT**
P&T RELIEF
VALVE(S)
SHUNT TUBE
THERMAL
ELEMENT
CONTROL
BOX
VALVE
FEEDBACK
SENSOR
SHUNT TUBE
COLD WATER IN
ORIFICE DISC
DRAIN VALVE CONDENSATE OUT
STEAM IN
CONTROL
VALVE
LOAD ALERT NOT
USED WITH ELECTRO-
HYDRAULIC CONTROL
VALVE.
**NOTE:
SPRING RING
OUTLET
FLANGE
MOUNTING
BRACKET
(SAVE)
Figure 2-1. Helitherm Water Heater Component Locations (Sheet 3 of 3)