Bell & Gossett HS 217D Dura-Stat Thermostatic Module - Manual (Page 4)

Xylem Inc.
8200 N. Austin Avenue
Morton Grove, Illinois 60053
Phone: (847) 966-3700
Fax: (847) 965-8379
www.xyleminc.com/brands/bellgossett
Bell & Gossett is a trademark of Xylem Inc. or one of its subsidiaries.
© 2012 Xylem Inc. HS-217d October 2012 Part No. 510669
MAINTENANCE
SCHEDULE:
• Replace Dura-Stat thermostatic module every 4 years.
H
J
6. Screw the new Dura-Stat ® thermostatic
module (H) into the threaded port (J)
inside the trap body.
K
7. Using a 3/4” (19mm) socket wrench (K)
tighten the Dura-Stat module to
approximately 12 lbf•ft (16 N•m).
L
B
8. Place the new copper spacer (L) on the
trap body (B).
A
B
9a. Reinstall and tighten the trap cover (A)
on the body (B).
b. Slowly open the steam supply valve.