Watlow Heater Catalog

4 5 / 8 " (117 mm) 5 1 / 2 "

1 7 / 16 " (37 mm)

(140 mm)

2 7 / 8 " (73 mm)

7 / 8 " (22 mm)

4 5 / 8 " (117 mm)

Thermostats and Accessories

5 13 / 16 " (148 mm)

3 1 / 4 " (83 mm)

Bulb and Capillary Technical Information (Continued) Thermostats with Enclosures General Purpose Single- and Double-Pole

6 3 / 8 " (162 mm) 5 5 / 16 " (135 mm)

3" (76 mm) 2 3 / 16 " (56 mm)

17 / 32 " (13 mm)

Moisture Resistant Double-Pole

1 / 2 " (13 mm) Dia. 2 Places

2 7 / 8 " (73 mm)

6 ⁄ in. (166.7 mm)

7 3 / 4 " (197 mm)

3 ¼ in. (83 mm)

7 / 8 " (22 mm)

2 ⁄ in. (54.8 mm)

3 ⁄ in. (84.1 mm)

6 ⁄ in. (166.7 mm)

4 5 / 8 " (117 mm) 5 1 / 2 "

1 7 / 16 " (37 mm)

(140 mm)

2 7 / 8 " (73 mm)

6 9 / 16 " (167 mm) 3 / 8 " (10 mm)

4 ⁄ in. (117.5 mm)

5 ⁄ in. (147.6 mm)

3 ¼ in. (83 mm)

(2) ½ in. (13 mm)

4 ¼ in. (108 mm)

6 ⁄ in. (161.9 mm) 5 ⁄ in. (134.9 mm)

2 ⁄ in. (55.6 mm)

Moisture Resistant Single-Pole

6 in. (152 mm)

3 in. (76 mm)

3 ⁄ in. (81 mm)

3 ⁄ in. (81 mm)

8 13 / 16 " (224 mm)

General Purpose Enclosure SPST or DPST Thermostat Part Number

Moisture Resistant Enclosure SPST Thermostat Part Number

Moisture Resistant Enclosure DPST Thermostat Part Number

2 ¾ in. (70 mm)

2 ¾ in. (70 mm)

⁄ in. ( 8 m)

⁄ in. (88 mm)

2S

2W

4W

(2) 0.218 in. (5.5 mm) Dia. Holes (2) 0.218 in. ( .5 m) Dia. Holes

4 ⁄ in. (111.1 mm)

4 ⁄ in. (111.1 mm)

6 9 / 16 " (167 mm)

2AS

2AW

5AW 7AW

3S

3W

View Above Shown Without Cover

View Above Shown Without Cover

3AS

3AW

1 / 2 " (13 mm) Dia. 2 Places

12AS

6 9 / 16 " (167 mm) 12AW

2 ⁄ in. (74.6 m)

2 ⁄ in. (74.6 mm)

4S 5AS 7AS

(19

4 1 / 4 " (108 mm)

3 / 8 "

6 (16

6" (152 mm)

8 (22

511