Bell & Gossett HS 217D Dura-Stat Thermostatic Module - Manual

INSTRUCTION MANUAL
HS-217
REVISION d
Hoffman Specialty ®
Dura-Stat ® Thermostatic Module
For Spirax-Sarco Trap Model H;
1/2” (15mm) NPT
Model TB-25;
1/2” (15mm) NPT
Model TH-25;
1/2” (15mm) NPT
Model TS-25;
1/2” (15mm) NPT
• 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 will cause personal injury.
WARNIN G
CAUTIO N
!
CAUTION
INSTALLATION –
For Spirax-Sarco Trap Model H; 1/2” (15mm) NPT and Model TH; 1/2” (15mm) NPT
A
B
1. Remove the trap cover (A) from the body (B).
A
C
D
2a. Unscrew the thermostatic element (C) from
the cover (A).
b. Discard the old thermostatic element (C)
and washer (D).