Chromalox Big Red Book

Controls

PIT Non-Indicating Temperature Controllers (cont’d.)

Dimensions

4.07 (103)

2.93 (74)

PIT (Rain-Tight)

(3) 9/32” Dia. Mtg. Holes

4.07 (103)

1/2” - 14 NPT Tapped Hub

Front View

Side View

3 (76)

3.93 (99)

PIT-EP (Explosion Resistant)

1/2” - 14 NPT Threaded Outlet

6 (152)

(2) 3/8” Dia. Mtg. Holes

Front View

Side View

Ordering Information — PIT Rain-Tight and Explosion-Proof

Temp. Range

Amp. 120-

Bulb Dimensions (In.)

Nominal

Diff. (˚F)

Wt.

Sensing Bulbs for PIT and PIT-EP

(˚F)

277V Diameter

Lgth.

Model

Stock

PCN (Lbs.)

Rain-Tight Gasketed Enclosure 0 - 150 22 0.290 100 - 250 22 0.290 Explosion-Proof Enclosure 1 0 - 150 22 0.290 100 - 250 22 0.290

Length

PIT-15 PIT-25

S 140610 S 140628

2-1/2 2-1/2

6 6

2.5 2.5

PIT-15EP S 140943 PIT-25EP S 140951

2-1/2 2-1/2

6 6

2.5 2.5

All Dimensions in Inches (mm)

Stock Status: S = stock NS = non-stock 1. PIT-EP’s are UL listed for use in Class I, Group D and Class II, Groups E, F and G Hazardous Locations. Other Notes — A. Capillary length is 10’ with 1/16” Dia. B. See ordering information table above for Bulb and Capillary dimensions. C. Pilot duty rating, 125 VA for 120 - 277 Vac.

Protective Wells

Set Screw

PIT Protective Wells

1/2-14 NPT

Bushing

Dimensions (In.)

Well

Wt.

Copper Material

C

D

E

I.D.

Model

Stock

PCN (Lbs.)

C

CPWC-1 S 269624

3/8 2-3/8 2-15/16 0.290 1

0.5

E

D

Stock Status: S = stock NS = non-stock

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H-188