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

INSTRUCTION MANUAL
HS-240
REVISION B
Dura-Stat ®
Thermostatic Module
For Warren Webster Thermostatic Traps
Model 02H and 502
• Before using product, read and understand instructions.
• Save these instructions for future reference.
• All work must be performed by qualified personnel trained in the proper application,
installation, and maintenance of steam systems in accordance with all applicable codes
and ordinances.
• To prevent serious burns, wear heat resistant gloves when opening and closing
steam valves, or handling hot equipment.
• To prevent serious burns, the internal pressure of the trap must be 0 psi (0 bar) before
servicing.
Failure to follow this caution could cause personal injury.
WARN ING CAUT ION
!
CAUTION
INSTALLATION –
A
C
B
1.a Remove the trap cover (A) from the body (B).
b. Unscrew the thermostatic element (C) from
the cover (A).
c. Discard the old thermostatic element (C).
E
B
2a. Using a 7/8” (22mm) socket wrench,
remove and discard the seat (E) from
the trap body (B).
b. Discard the old seat (E).