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Model

Figure

Number

Description

Number

F55-0088

Packing nut with ½

threads

1

PACKING NUT

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Basic Types Bulb Size

Well Description

Model

Well is

of Control

Pipe Size

Figure

Dimensions

Number

Used With

Used

NPT

Shank Number

A B C

F89-0027

1609, 1629, 2A23

5

3

/

4

x

3

/

8

1

/

2

Standard

3

1

5

/

8

6

6

5

/

16

F89-0033

11B06, 11B37, 1182

3

1

/

2

x

7

/

16

3

/

4

Standard

3

1

5

/

8

2

13

/

16

3

1

/

8

F89-0036

11B06, 11B37, 1182

3

1

/

2

x

7

/

16

1

/

2

Standard

3

1

5

/

8

2

13

/

16

3

1

/

8

F89-0148

1050-1

2

15

/

16

x

7

/

16

1

/

2

Standard

3

1

5

/

8

2

13

/

16

3

1

/

2

INTERCHANGEABLE WELLS

Basic Types Bulb Size

Well Description

Model

Well Is

of Control

Pipe Size

Figure

Dimensions

Number

Used With

Used

NPT

Shank Number

A B C

F89-0062

11B18, 11B05,

1

/

2

Standard

4

1

5

/

8

2

13

/

16

3

1

/

8

11B55, 1131

F89-0063

11B18, 11B05,

3

/

4

Standard

4

1

5

/

8

2

13

/

16

3

1

/

8

11B55, 1131

INTERCHANGEABLE WELLS

Tank

wall

shank

IMMERSION

WELLS

HYDRONIC

CONTROLS

INTERCHANGEABLE WELLS

Model

Number

Basic Types

Well is

Used With

Bulb Size

of

Control

Used

Well Description

Figure

Number

Dimensions

Pipe Size

NPT

Shank

A B C

F89-0211

11DXX 3

1

/

2

x

3

/

8

1

/

2

Standard

2 1

13

/

16

3

3

5

/

16

F89-0212

11DXX 3

1

/

2

x

3

/

8

1

/

2

Std. Extended

2

3

5

/

16

3

3

5

/

16

F89-0213

11DXX 3

1

/

2

x

3

/

8

3

/

4

Standard

2 1

13

/

16

3

3

5

/

16

F89-0214

11DXX 3

1

/

2

x

3

/

8

3

/

4

Std. Extended

2

3

5

/

16

3

3

5

/

16

F89-0215

11DXX 3

1

/

2

x

3

/

8

3

/

4

Extra Extended

2 4

13

/

16

3

3

5

/

16

IMMERSION WELLS AND PACKING NUT

½

and ¾

NPT Sizes for Hydronic Element Insertion

FEATURES

• Wells are used where it is desired that the control operates from the temperature

of a liquid in a closed system.

• The bulb of the control can be removed from an immersion well in the tank wall

without draining the boiler tank.

• The packing nut can be used with any of the remote bulb types listed.

• Packing nuts permit closer control than wells because the bulb is directly immersed

in the liquid.

SPECIFICATIONS

Compatibility . . . . . . . . . . . For use in liquids that are not corrosive to

brass and copper. Not recommended

for use above 100 psi, 250°F (120°C)

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108

HYDRONIC /

APPLIANCE