ECS & CXT-E Control Valve Retrofit for SW Double Wall Heaters
Technical Instruction Document
TID-0140_0A
12/30/2014
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, New York 10913
•
Phone: 800-526-0288
Page 7 of 58
COLD WATER
INLET
RELIEF VALVE
BLOCKED)
PLUGGED OR
(NOT TO BE
DETECTION PORT
TUBE LEAK
DOUBLE WALL
WATER
SOLENOID
CONTROL BOX
STEAM/BOILER
WATER INLET
ORIFICE DISC
& SPRING RING
Figure 2-1. Double-Wall Heater Component Locations (Sheet 2 of 2)