Note: This is a control system which must be cleaned and maintained regularly (see Maintenance Guide and Record card included with valve shipment).
5
Guardian Equipment
1140 N North Branch St
Chicago, IL 60642
312 447 8100
telephone
312 447 8101
facsimile
gesafety.com
rev. 1215 / © 2015 Guardian Equipment
Installation, Operation and Maintenance Guide
G3900LF Series Thermostatic Mixing Valves
Thermostatic Mixing Valve Parts
Checkstop Parts
Repair Kits
Lockable Pointer (su
ffi
x “LTR”)
Notes:
1. After installing new parts, the
adjustable high temperature limit
stop must be reset (see page 2).
2. All G3900LF and G3950LF valves
are furnished with lockable
pointers.
Repair kit Includes parts to repair both hot and cold checkstops
2
1
3
4
6
8
7
5
9
10
11
12
13
14
16
16
24
25
25
26
26
22
23
TM-36
Pointer Set Screw
17
17
18
18
20
20
21
19
15
Item Part No.
Description
1
57
-
L
Snap Cap
2
TM
-
29/29A
Pointer Screw
3
TM
-
25C
Pointer
4
30
Friction Spring
5
617
Dial Plate
6
TM
-
25D
Stop Screw
7
TM
-
16
Cover Screws (6)
8
TM
-
15B/125
Cover
9
TM
-
21/125
Flange Packing
10
TGM
-
2/125
Thermostat Group
11
TGM
-
1/125M
Port Sleeve Assembly
12
TM
-
3/125M
Port Sleeve Nut Assembly
13
TM
-
8
Coil Sleeve Stud
14
TM
-
28A
Pointer Rod
Item Part No.
Description
15
MU
-
5A
O-Ring
16
03
Lower Stem & Packing
17
011
Spring (Hot Side)
015
Spring (Cold Side)
18
MU
-
5A
O-Ring
19
MU
-
4A
Upper Stem
20
05
Packing
21
02
Bonnet
22
04/125
Swivel
23
09/125
Swivel Nut
24
06
Strainer Cap
25
014
Cap Packing
26
013
Screen
R/125M
Repair Kit
2/50M
Checkstop Kit
