Dometic Right-Hand Boiler Temperature Sensor Install Video

This video teaches how to install the Fridge Defend boiler temperature sensor on right-hand boilers such as the Dometic RM2652, DM2652, RM2852, or DM2852 just to mention a few of the left hand boiler Dometic RV refrigerators.

Dometic right hand boiler insulation video for Fridge Defend protection.

Boiler Sensor Install

Click here for another video showing ARP install on Dometic right-hand boiler.

NOTE: There is no need to get the sensor as high on the boiler as possible. This video was made when RV manufactures installed the refrigerators so one could access the boiler up to 4 inches above the heaters. We now recommend installing the boiler sensor just above the electric heater element. Be sure to insulate the sensor so that it reads temperature from just the boiler tube, not electric heaters or flue tube.

REQUIRED TO DOWNLOAD INSTALLATION INSTRUCTIONS - WEB PAGES ARE SUPPLEMENTAL - EACH VERSION OF CONTROL HAS INTRICACIES REQUIRING THE WRITTEN INSTRUCTIONS.

Fridge Defend Sensor Install Instructions

The Dometic temperature sensor install video shows how easy it is to install the Fridge Defend temperature sensor. This video shows a typical Dometic temperature sensor install, please see the downloadable install instructions because this page in only a visual to aid the installer.

CAUTION: This is the install video for a right hand Dometic boiler assembly, click this link for the Dometic Left Hand Boiler.

Showing the boiler assembly including electric heaters, boiler tube crimps (bulges), boiler tube, and red flue tube for a right hand boiler

Dometic Boiler Parts Identification

Please note in the following images, the clip is glued to the sensor so that the clip will slide around behind the black boiler tube. It is easy to identify the boiler tube, the electric heater holders are welded to the boiler tube. Also note the flue tube is red. Sometimes there are boiler tube crimps; generally the sensor is positioned above these crimps. If there is not room to do this, please reference the downloadable instructions for install of the sensor on the boiler tube crimps.
Showing sensor attached to clip and alignment of clip so it is away from the red flue tube.

Sensor and Clip Alignment

This figure shows the general process to align the Fridge Defend temperature probe and clip to install on a Dometic right hand type boiler. By placing a small amount of super glue on the clip, one can attach the probe to the clip making it possible to use one hand to snap the clip onto the boiler. Also, before snapping the sensor onto the boiler it is easier to move the sensor if silicone grease is applied to the clip and the boiler tube. In addition, if the wire is offset in the temperature probe, position it so that the offset is to the outside of the clip. This makes it easy to insulate between the wire and boiler tube in the last step
Showing locations to insulate the sensor, where insulation between the flue tube and the sensor are critical.

Sensor Insulation

Once sensor is installed and positioned correctly, it is important to insulate the sensor very well. It is critical to insulate between the flue tube and the sensor, an air gap between the flue tube and the sensor will make the sensor read too high. Also, insulate between the sensor wire and the boiler tube. Make sure that the electric heaters are insulated from the probe and wiring. Finally, by adding insulation to the boiler housing you will improve the efficiency of your fridge.


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