Jaclo J-TH34-EXT User Manual

Jaclo Industries

129 Dermody St.
Cranford, NJ 07016

J-TH34 ¾" Thermostatic Rough-In Valve

Assembly Instructions

Created: September 16, 2009 Revision: Ø

ITEM QTY DESCRIPTION
1 1 ¾" Thermostatic Valve Body
2 1 High Flow Thermo Cartridge
3 1 Cartridge Locknut
4 1 Stop Ring
5 2 Limit Stop
6 2 Check Stop
7 2 Stop Locknut
8 4 “O” Ring
9 4 Stop Seal
10 2 Seal Spring Washer
11 2 Seal Spring
12 2 Seat

Version: 1.2
Last Revised: 9/16/09

¾" Thermostatic Valve Assembly Instructions

1 STAMPING VALVE BODY

Objective: Stamping imprint onto valve body

› Place thermal valve body into vise and secure tightly. Figure 1.1

› Using stamp tool, place in proper location shown in Figure 1.2. After stamp is in set location, hit with

hammer so imprint is clearly visible on valve. Figure 1.2 and Figure 1.3

1.1

1.2

1.3

J-TH34 | PG 2

2 INSERT THERMAL CARTRIDGE AND CHECK STOPS

Objective: insert thermal cartridge and check stops.

INSPECTION

› Make sure that the J-TH34 cartridge is used. The difference

between the J-TH34 and the J-THVC12 is identified in Figure 2.2

2.3

2.2

› Inspect the thermal cartridge to ensure the black tic mark on

temperature control rod is aligned with the largest spline on the
plastic cart housing on body of cartridge is aligned. A small
indent in splines may exist which can also be used for alignment.
Exaggerate the alignment by drawing a black line as shown.
Figure 2.3

› Spray ports on right, left, center with cooking spray to reduce

damage to rubber seal seats and O-rings on cartridge and check
stops. Figure 2.1

› Align large spine to north (12 o-clock) position, then insert

cartridge into center of thermal body by pushing down with firm
pressure.

› Inspect hot and cold check stops for rubber O-ring on upper and

lower section of check stop. Next check that the gaskets on each
side, and the spring washer and seal are in place. Figure 2.5

› Insert the hot check stop marked (H) into the hot water inlet,

ensure the open arrow is aligned and oriented toward the center
thermal cartridge. Press in place. Figure 2.6

› Insert the cold check stop marked (C) into the cold water inlet,

ensure the open arrow is aligned and oriented toward the center
thermal cartridge. Press in place. Figure 2.6

2.5

2.6

2.1

J-TH34 | PG 3