The FreshJet 5 Series Air Conditioner Positive Temperature Coefficient Resistor (PTCR) Relay is a genuine Dometic service part. Match part number 4450037544 and your unit model/data label before ordering.
Key Features
- Genuine Dometic replacement service part
- Dometic part number: 4450037544
- Dometic catalog description: FreshJet 5 Series Air Conditioner Positive Temperature Coefficient Resistor (PTCR) Relay
- Use only for the matching Dometic model/application
Technical Specifications
| Brand | Dometic |
| Part Number | 4450037544 |
| Dometic Catalog Name | FreshJet 5 Series Air Conditioner Positive Temperature Coefficient Resistor (PTCR) Relay |
| Product Type | Service Part |
Before You Order
Dometic service part numbers can be model-specific. Verify the part number and application against your original component or unit label before purchase.
Frequently Asked Questions
Q: How do I confirm this is the right Dometic part?
A: Compare your model/data label and original component to Dometic part number 4450037544. This listing follows Dometic's catalog description.
Q: Is this interchangeable with other Dometic parts?
A: Do not assume interchangeability. Use the exact Dometic part number or confirm fitment before ordering.
| Brand | Dometic |
|---|---|
| Product_type | Refrigerator Door Latch |
| Part_number | 4450037544 |
| Compatibility | Dometic FJX Series (FJX5 and related FJX models) |
| Part_category | OEM Replacement Part |
| Function | Door latch assembly |
| Purpose | Door closure and seal function |
| Condition | New |
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.

