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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 27 of 58
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PRE-LOAD SPRING RETAINING RING
VALVE STEM RETAINING NUT
1.00"-2.00" CXT-P (PNEUMATIC)
VALVE STEM
LOWER PILOT PRE-LOAD SPRING
1
3
4
1
ITEM
2
1
REQ
1
1
121545
121503
122655
121528
1.00"
DESCRIPTION
121528
121528
121528
121545
121545
121545
121503
122651
121503
122654
1.25"
121503
122650
1.50"
2.00"
5
1
LOCKWASHER
122666
122666
122666
122666
Figure 3-3. Inner Pilot Assembly Kit (29021-[ ]) for 1.00” to 2.00” Valves