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🏆 RECOMMENDED PART
QP-02-4.7 4.7 Ohm 3Pin PTC Starter/Start Relay and 1/2-1/12Hp Overload Kit Compatible with Refrigerator Compressor
- Compressor PTC Starter/Start Relay Refrigerator Overload Protector. Please note that this product is only compatible with the 3-terminal QP-02-4.7 relay. Not compatible with relays with other pin numbers. This kit is ...
- Product Name: QP-02-4.7 Start Relay; Material: Plastic; Color: Black; Resistance : 4.7 Ohm; Pin Quantity: 3; Easy to install; PLEASE NOTE: the item is compatible ONLY to QP2-4R7 three-terminal relay.
- Replaces P/N: # QP2-4R7 / QP2-4.7 / QP2-4.7G12 / WS-EP14F / 6R8MD3 / AP4565041 / 1206682 / 3990100070.
- OVERLOAD: 1/12HP-1/2HP 110V 60Hz; Compatible with LG #6750C-0004R 6750C-0005P 268273 1357963 AH3529540 PS3529535 PS3529540 AP4439459 AP4651578 EA3529540 EAP3529535 LP21704 LP49259 265RHBYY 314TFBYY 1265RFBYY.
- Installation: Installation needs to be completed by professional maintenance technicians. Please make sure to unplug the power plug and wear work gloves before installation.
What the QP-02-4.7 does
The compressor start relay provides a temporary boost of power to the compressor's start winding, helping it overcome initial inertia. Once the compressor is running, the relay disengages the start winding.
Symptoms when this part fails
- Refrigerator not cooling
- Compressor clicks but does not start
- Compressor runs briefly then shuts off
- Humming sound from compressor area
- Refrigerator makes no noise at all
Compatibility
Fits the Bosch family. Specifically:
- Any unit originally equipped with OEM part number(s): QP-02-4.7.
- Check the model/rating plate inside your appliance and compare it against the fitment table on the product listing before ordering — this guide does not list specific compatible models because Amazon does not provide verified fitment data through this pipeline.
Tools you'll need
- Screwdriver
- Pliers
- Multimeter
- Work gloves
Difficulty: Moderate · Time: 30-60 minutes
How to install the QP-02-4.7, step by step
- Unplug the refrigerator from power.
- Access the compressor compartment, typically at the back.
- Carefully disconnect any wiring from the old relay.
- Remove the old relay from the compressor terminals.
- Attach the new relay securely to the compressor terminals.
- Reconnect any wiring, ensuring proper fit.
- Reassemble the compartment cover.
- Plug the refrigerator back in and test for operation.
Related troubleshooting
If swapping this part doesn't fix the issue, check these next: