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.

ARNING

CAUTION

INSTALLATION –

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).

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).

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INSTRUCTION MANUAL HS-240 REVISION B Dura-Stat® Thermostatic Module For Warren Webster Thermostatic Traps Model 02H and 502 ! CAUTION TION CAU NG WARNI • 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.
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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. 4. Screw the new Dura-Stat® thermostatic module (G) into the threaded port inside the trap body. B F G B 5. Using a 3/4” (19mm) socket wrench (H), tighten the Dura-Stat module approximately 12 lbf•ft (16 N•m). H B 6a. Reinstall and tighten the trap cover (A) on the body (B). b. Slowly open the steam supply valve.