Replacement Parts List

34
Tempering Valves
Model Adjustable Temperature Range
21 140°- 200°F (60.0°- 93.3°C)
21H 100°- 200°F (37.8°- 93.3°C)
21LT 100°- 140°F (37.8°- 60.0°C)
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Series 21
2
3
4
5
6
7
1
8
9
10
12
11
Ordering Information
Repair Kit Thermostat Kit Body
Model NPT Part Number Part Number Gasket
21
3
⁄4 &1 600012 600000 600166
1
1
⁄4 - 2 600015 600003 600167
21H
3
⁄4 &1 600121 600124 600166
1
1
⁄4 - 2 600122 600125 600167
21LT
3
⁄4 &1 600033 600048 600166
1
1
⁄4 - 2 600042 600051 600167
Repair Thermostat Body
Item Description Kits Kits Gasket
1 Post Stat Assembly XX
2 Piston Spring X
3 Piston X
4 Relief Spring Assembly XX
5 Pushrod Assembly XX
6 Pushrod O-ring XX
7 Body Gasket XX X
8 Bonnet X
9 Adjustment Screw X
10 Nut X
11 Body O-ring XX
12 Label X
Hoffman Specialty
®
Regulator Service Parts