What do you need to know about the Dometic cooling unit?

The Dometic cooling units NDA1402 & NDR1402 require the Fridge Defend by ARP for safety, reliability, and efficiency. REQUIRED TO DOWNLOAD INSTALLATION INSTRUCTIONS – WEB PAGES ARE SUPPLEMENTAL – EACH VERSION OF CONTROL HAS INTRICACIES REQUIRING THE WRITTEN INSTRUCTIONS. Instructions: Subjects are listed on left.

Is the Dometic 1402 series refrigerator still made?

The Dometic 1402 series of fridge is found in Fifth Wheels and Class-A motorhomes. These fridges are no longer made, thus is is highly advisable to install the Fridge Defend by ARP on these units to insure a long life.

Where does the temperature sensor go in a Dometic refrigerator?

Restated, the temperature sensor tip shall not be straddling the air space created by the Dometic boiler crimp. The manufacturer puts the crimp in the tube to hold the percolator tube within the boiler tube. Please see our How an Absorption Refrigerator Works to understand the basic principles of an Absorption Refrigerator.

Is the arprv temperature sensor in contact with the Dometic boiler?

The ARPrv temperature sensor tip (red arrow) shall be in contact with the Dometic boiler tube. Restated, the temperature sensor tip shall not be straddling the air space created by the Dometic boiler crimp. The manufacturer puts the crimp in the tube to hold the percolator tube within the boiler tube.

How to repair a faulty Dometic RV refrigerator?

To remove the element, I simply had to unclasp the sheet metal boiler covering, pull back some insulation and slide out the electric element. It took a little twisting and coaxing as the element had a bit of corrosion on it. Installing was just everything in reverse. If playback doesn’t begin shortly, try restarting your device.