Whirlpool Range Thermostat B/O-4450934 O-4450934 AP6009400

Range Thermostat – Whirlpool

Whirlpool Range Thermostat B/O-4450934 O-4450934 AP6009400 This range thermostat controls or distributes electrical power, burner output, mixer speed, temperature, ignition, or a safety-interlock signal. It is intended as a model-specific replacement for the service part listed below. Confirm the complete appliance model and serial number before ordering. Part-Specific Details OEM Whirlpool 4450934 Range High Limit Thermostat WP4450934 AP6009400 Part Number WP4450934 replaces AP6009400, 4450934, PS11742559, B001DHK84W. Product Specifications Brand: Whirlpool Primary SKU: B/O-4450934 Product type: Range Thermostat Application: model-specific range repair Verify voltage, amperage or wattage range, shaft and stem profile, connector layout, terminal markings, mounting position, and revision Transfer wires by terminal designation; never rely only on wire color Replaces / Cross-Reference Part Numbers O-4450934, AP6009400, 4450934, PS11742559, B001DHK84W, WP4450934 Cross-reference numbers can identify earlier revisions, distributor references, or approved service replacements. Compatibility can vary by production date and model revision. Symptoms of Failure Burner, motor, light, or appliance will not operate output remains high or will not regulate intermittent operation control overheats, arcs, or has damaged terminals incorrect speed, ignition, or temperature Installation Instructions Disconnect power at the breaker and verify the circuit is de-energized. Photograph and label every terminal and wire, remove the control knob and mounting hardware as applicable, transfer one connector at a time by terminal designation, secure the replacement and grounding, reinstall shields and controls, restore power, and test every affected setting while monitoring for heat or arcing. Compatibility and Safety Confirm fit using the appliance rating label and Whirlpool-family parts diagram. Disconnect power and shut off water or gas when applicable, wear suitable protective equipment, preserve all shields and guards, and use a qualified technician for gas-system or unfamiliar electrical repairs.

Compatible Part Numbers

• O-4450934
• AP6009400
• 4450934
• PS11742559
• B001DHK84W
• WP4450934

Key Features

• Product type: Range Thermostat
• SKU / MPN: B/O-4450934

Fixes These Symptoms

• Burner
• motor
• light
• or appliance will not operate
• output remains high or will not regulate
• intermittent operation
• control overheats
• arcs
• or has damaged terminals
• incorrect speed
• ignition
• or temperature

Compatible Brands

• Whirlpool
• Maytag
• KitchenAid
• Amana
• Jenn-Air
• Roper
• Kenmore

Always verify your complete appliance model number before ordering.

Installation Guidance

Disconnect power at the breaker and verify the circuit is de-energized. Photograph and label every terminal and wire, remove the control knob and mounting hardware as applicable, transfer one connector at a time by terminal designation, secure the replacement and grounding, reinstall shields and controls, restore power, and test every affected setting while monitoring for heat or arcing.