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 HOL
E
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