The Dometic AC overload protector kit 3312138.000 is a replacement electrical protection component for compatible DuoTherm MRA4720 RV air conditioners. It helps protect the compressor circuit from overload conditions when the original overload protector has failed or needs replacement.
Features & Specifications
- Genuine Dometic DuoTherm overload protector kit
- Part number 3312138.000 for exact service-part matching
- Listed for compatible MRA4720 air conditioner applications
- Small electrical protection component shown in packaging photos
- Useful for compressor overload-protection repairs
- Fitment should be confirmed by model and service parts diagram
Why Choose This Dometic DuoTherm AC Overload Protector Kit?
Electrical AC service parts should be matched exactly. This page is built around the Dometic part number and MRA4720 application so buyers do not confuse this overload protector with a start capacitor, relay, or unrelated control component.
Technical Specifications
| Brand | Dometic / DuoTherm |
| Part number | 3312138.000 |
| Product type | RV air conditioner overload protector kit |
| Compatible model reference | MRA4720 where this part number is specified |
| Application | Compressor/electrical overload protection repair |
| Fitment note | Confirm the AC model and original service-part number before ordering |
What's Included
- Dometic overload protector kit as shown
- Packaging label identifying part #3312138.000
Compatible Models & Alternatives
Use this kit only for compatible Dometic/DuoTherm MRA4720 service applications. If the repair calls for a capacitor, relay, or control board instead, order that exact part rather than substituting this overload protector.
Frequently Asked Questions
What does an overload protector do?
It is an electrical protection component tied to compressor overload protection on compatible AC units.
Is this the same as a capacitor?
No. This listing is for the overload protector kit, not a start/run capacitor.
How do I confirm fitment?
Match your AC model and service-part number to 3312138.000 before ordering.
Should this be installed by a technician?
RV air conditioner electrical repairs should be handled by someone qualified to safely diagnose and service the unit.
Why Buy from Elkhart RV Parts?
Elkhart RV Parts focuses on hard-to-find OEM RV service parts with clear part-number matching, practical fitment notes, and product photos that show the actual replacement component whenever possible.
| Brand | Dometic |
|---|---|
| Product_line | DuoTherm |
| Part_number | 3312138.000 |
| Product_type | Overload Protector Kit |
| Compatibility | Dometic MRA4720 |
| Compatible_systems | DuoTherm rooftop AC units |
| Part_category | Service Part |
| Oem_status | OEM Replacement Part |
| Function | Compressor overload protection |
| Protection_features | Overheating protectionElectrical damage protectionCircuit interruption during overload |
| Application | RV Air Conditioning Systems |
| New_arrival | true |
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