Terminal boxes are designed for mounting onto immersion heaters with 1¼″ - 2″ screw-plugs. The terminal boxes can be turned in any suitable position with respect to the cable inlet.
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Terminal boxes are designed for mounting onto immersion heaters with 1¼″ - 2″ screw-plugs. The terminal boxes can be turned in any suitable position with respect to the cable inlet.
The covers (enclosures) are made of carbonate plastic or die-cast aluminium.
The terminal boxes are designed to meet the requirements for protection class IP55 or better.
The terminal boxes are available in many different models and can be equipped to meet most requirements regarding thermostat and thermal cut-off.
Terminal Boxes produced in Silium or Polycarbonat for 2″ immersion heaters
Terminal box (enclosure) for 2″ immersion heater - Square terminal box with an adjustable thermostat or limiter.
The box is produced in IP54 class.
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Item # | 1-pole thermostat 30-90°C | 2-pole thermostat 30-90°C | 3-pole temp. limiter 65°C | 3-pole temp. limiter 110°C |
R-2166 | ||||
R-2167 | ||||
R-2168 | ||||
R-2168A |
Terminal box (enclosure) for 1¼″ - 2″ immersion heaters - Terminal box with an adjustable thermostat, limiter or without any limitation.
The box is produced in IP54 class.
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R-2169 | R-2169A | R-2164(65) |
Item # | Immersion Heater size | 2-pole thermostat 0-50°C | 3-pole temp. limiter 65°C | No limitation |
R-2169 | 2″ | |||
R-2169A | 1¼″ - 2″ | |||
R-2164 | 1¼″ - 2″ | |||
R-2165 | 1¼″ - 2″ |
Terminal boxes (enclosures) for 1¼″ - 2″ immersion heaters - Terminal box with analogue or digital adjustable thermostat. Easy temperature control.
INFO!The terminal boxenes for 2″ immersion heaters requires an assembly kit (sold separately - item number R-2169D).
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R-2169B | R-2169C |
Item # | Immersion Heater size: | Dimension: | Thermostat: | Temp. limiter: | IP Class: |
R-2169B | 1¼″ - 2″ | 90 x 90 x 115 mm. | 25-85°C | 110°C | IP65 |
R-2169C | 1¼″ - 2″ | 90 x 90 x 123 mm. | Various (see below) | Se below | IP44 |
Pre-programmed operating modes for R-2169C
Program # | Min °C | Max °C | Pol 1 Hysterese °C | Pol 2 Hysterese °C | 11°C Frost protection |
0 | X°C | X°C | 5°C | 5°C | |
1 | 10°C | 85°C | 7°C | 7°C | |
2 | 10°C | 70°C | 7°C | 7°C | |
3 | 10°C | 50°C | 7°C | 7°C | |
4 | 10°C | 85°C | 4°C | 6°C | |
5 | 10°C | 50°C | 4°C | 6°C | |
6 | 10°C | 85°C | 5°C | 5°C | |
7 | 10°C | 50°C | 5°C | 5°C |
Terminal Boxes produced in Silium or Polycarbonat for 2″ immersion heaters
Terminal box (enclosure) for 2″ immersion heater - Square terminal box with an adjustable thermostat or limiter.
The box is produced in IP54 class.
![]() |
![]() |
Item # | 1-pole thermostat 30-90°C | 2-pole thermostat 30-90°C | 3-pole temp. limiter 65°C | 3-pole temp. limiter 110°C |
R-2166 | ||||
R-2167 | ||||
R-2168 | ||||
R-2168A |
Terminal box (enclosure) for 1¼″ - 2″ immersion heaters - Terminal box with an adjustable thermostat, limiter or without any limitation.
The box is produced in IP54 class.
![]() |
![]() |
![]() |
R-2169 | R-2169A | R-2164(65) |
Item # | Immersion Heater size | 2-pole thermostat 0-50°C | 3-pole temp. limiter 65°C | No limitation |
R-2169 | 2″ | |||
R-2169A | 1¼″ - 2″ | |||
R-2164 | 1¼″ - 2″ | |||
R-2165 | 1¼″ - 2″ |
Terminal boxes (enclosures) for 1¼″ - 2″ immersion heaters - Terminal box with analogue or digital adjustable thermostat. Easy temperature control.
INFO!The terminal boxenes for 2″ immersion heaters requires an assembly kit (sold separately - item number R-2169D).
![]() |
![]() |
R-2169B | R-2169C |
Item # | Immersion Heater size: | Dimension: | Thermostat: | Temp. limiter: | IP Class: |
R-2169B | 1¼″ - 2″ | 90 x 90 x 115 mm. | 25-85°C | 110°C | IP65 |
R-2169C | 1¼″ - 2″ | 90 x 90 x 123 mm. | Various (see below) | Se below | IP44 |
Pre-programmed operating modes for R-2169C
Program # | Min °C | Max °C | Pol 1 Hysterese °C | Pol 2 Hysterese °C | 11°C Frost protection |
0 | X°C | X°C | 5°C | 5°C | |
1 | 10°C | 85°C | 7°C | 7°C | |
2 | 10°C | 70°C | 7°C | 7°C | |
3 | 10°C | 50°C | 7°C | 7°C | |
4 | 10°C | 85°C | 4°C | 6°C | |
5 | 10°C | 50°C | 4°C | 6°C | |
6 | 10°C | 85°C | 5°C | 5°C | |
7 | 10°C | 50°C | 5°C | 5°C |