Whirlpool W10777956 Lower Heater Wire Harness

Product Description

The WHIRLPOOL W10777956 is a lower heater wire harness designed for use in top-load washing machines. It routes electrical power to the heating element assembly, supporting the heated wash and sanitize functions found in higher-capacity residential washer models. This harness is rated for 5.3 cubic foot capacity machines and is an OEM replacement part. Installation is typically performed by an appliance technician or experienced service professional familiar with residential laundry equipment wiring. The harness measures 15.75 inches in length and weighs 1 pound, making it straightforward to handle during service.

This wire harness is used in residential top-load washers equipped with an internal water heater. It connects the control system to the lower heater element, enabling temperature-based wash cycles. Compatible models span multiple WHIRLPOOL and Maytag platform variants, including units sold under the WTW8500 and MVWB855 series. This part is a direct OEM-style replacement suited for field service calls where the original harness shows signs of heat damage, failed continuity, or connector wear.

Key Features

• OEM replacement lower heater wire harness for 5.3 cu ft top-load washers
• Supports heated wash and sanitize cycle functions via heater element connection
• Compact form factor at 15.75 inches x 1.0 inch x 1.5 inches for easy routing during reinstall
• Direct fit for multiple WHIRLPOOL and Maytag washer model numbers
• Lightweight at 1 pound for straightforward handling in the field

Compatibility

Compatible with the following models: WTW8500DC4, WTW8500DC3, WTW8500DC1, WTW8500DC5, WTW8700EC1, WTW8500DC2, 11029132413, 11029132411, 11029132412, 11029132410, WTW8500DC6, WTW8500DW6, 7MWTW8500EC1, 7MMVWB855EC2, 7MWTW8500EC2, 7MMVWB855EC1, 7MMVWB855EC3, MVWB855DW1, MVWB855DW3, MVWB855DC4, MVWB855DC2, MVWB855DW2, MVWB855DC1, MVWB855DC3, WTW8500DR4.

Installation Notes

This part should be installed by a qualified appliance technician. Disconnect power to the washing machine at the outlet or circuit breaker before beginning any disassembly. Inspect all connector terminals and mating sockets for corrosion or heat damage before installing the replacement harness. Follow all applicable local electrical codes and the manufacturer service documentation when routing and securing the harness inside the cabinet.