Bell & Gossett HS 240B Dura-Stat Thermostatic Module For Warren Webster Thermostatic Traps 02H and 502 - Manual (Page 2)

Xylem Inc.
8200 N. Austin Avenue
Morton Grove, Illinois 60053
Phone: (847) 966-3700
Fax: (847) 965-8379
www.xyleminc.com/brands/bellgossett
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© 2012 Xylem Inc. HS-240B October 2012 Part No. 511152
MAINTENANCE
SCHEDULE:
• Replace Dura-Stat thermostatic module every 4 years.
B
H
A
B
B
F
5. Using a 3/4” (19mm) socket wrench (H),
tighten the Dura-Stat module approximately
12 lbf•ft (16 N•m).
6a. Reinstall and tighten the trap cover (A)
on the body (B).
b. Slowly open the steam supply valve.
3. Using a scraper, remove any scale or
debris inside the trap body (B) especially
around the seat area (F). Do not scratch
gasket surface area.
G
B
4. Screw the new Dura-Stat ® thermostatic
module (G) into the threaded port
inside the trap body.