Honeywell R8182D, Product Data

R8182D,E,F,H,J COMBINATION PROTECTORELAY™ AND HYDRONIC HEATING CONTROLS

3

68-0105—2

Fig. 1. R8182D,E,F installation dimensions in in. (mm).

Thermostat Anticipator Setting:  

0.2A for R8182, 0.4A for 

each R845A Switching Relay used.

Maximum Ambient Temperature (at Element):  

250°F 

(121°C).

Maximum Pressure Rating: 

200 psi (1379 kPa) on immersion well.

100 psi (689.5 kPa) direct immersion.

Internal Views:  

Refer to Fig. 4 through 8.

Well Insertion Length:  

3-3/8 in. (86 mm).

Immersion Well Dimensions (Order Well Separately):  

Refer to Fig. 3.

Aquastat® Assembly Repair Parts: 

125026AAE Aquastat® 

Assembly: Replaces R8182D,F Sensing Bulb.

Replacement Well Assemblies:  

Refer to form 68-0040, 

Wells and Fittings for Temperature Controllers, for part 

numbers and descriptions.

Fig. 2. R8182H,J installation dimensions in in. (mm).

Fig. 3. Approximate immersion well dimensions.

M4517

1     VERTICAL MOUNT SHOWN.

1

5-1/4  (133)

3-1/4  (83)

7-1/8
(181)

3-9/16

(91)

3/16

(5)

1-5/16

(33)

2-7/16

(62)

KNOCKOUTS
FOR 1/2 IN. 
(13 MM)
CONDUIT (5)

VERTICAL 
MOUNT 
ONLY

HORIZONTIAL
MOUNT ONLY

M4518

1     SIDE MOUNTED HINGE SHOWN.

1

5-1/4  (133)

3-7/16  (87)

7-1/8
(181)

3-7/16

(87)

1/2  (13)

3-3/8  (86)

7/8

(22)

KNOCKOUTS
FOR 1/2 IN. (13 MM)
CONDUIT (5)

FITS BOILER TAPPED HOLE

1/2 OR 3/4 NPT

FITS BOILER TAPPED HOLE

1/2 OR 3/4 NPT

SETSCREW

CONTROL MOUNT

INSERTION LENGTH
3-3/8 IN. (86 MM)

INSULATION LENGTH
1-1/2 IN. (38 MM)

M4530

INSERTION LENGTH
3-3/8 IN. (86 MM)

INSULATION LENGTH
1-1/2 OR 3 IN. 
(38 OR 76 MM)

R8182D,E,F

R8182H,J

Device

Description

Part Number

R8182D

1-1/2 in. (38 mm) insulation, horizontal or vertical; 3 in. (76 mm) insulation horizontal.

125026AAD

3 in. (76 mm) insulation, vertical.

1250266AAE

R8182E

1-1/2 in. (38 mm) insulation, horizontal or vertical; 3 in. (76 mm) insulation horizontal.

123726AV

3 in. (76 mm) insulation, vertical.

123726AW