H0024000399AB Genuine Water Level Pressure Switch for Fisher & Paykel, Haier Front Load Washing Machines WH1060S1 HWF10DW1 HWF70BW1

For the Fisher & Paykel WH1060S1 and the Haier HWF10DW1 and HWF70BW1, H0024000399AB is the genuine pressure switch, the water level sensor that tells the control board how full the tub is. Order this part when level faults, overfilling or a machine that won't stop filling point to the switch rather than the inlet valve or hoses.

Washing machine overfilling or not filling? Test the pressure switch

As water enters the tub, it pushes air up a small hose to the pressure switch. The switch reads that pressure and reports the water level to the controls, which then decide when to stop filling, start washing or allow the spin. When the switch fails, the machine may keep filling, stop with too little water, refuse to start the wash, skip the spin, or show a water level error. A blocked or split pressure hose or a clogged air chamber gives the same symptoms, so check those first.

Part details

• Genuine part H0024000399AB
• Water level pressure switch
• Listed for the Fisher & Paykel WH1060S1
• Also listed for Haier HWF10DW1 and HWF70BW1

Fitting the pressure switch

Unplug the machine and turn off the taps. The switch normally sits high in the cabinet under the top panel. Photograph the wiring plug and hose before disconnecting them. With the pressure hose off, blow gently through it to make sure it is clear, then push it firmly onto the new switch and secure the mounting. Run a short cycle and watch the fill level.

Questions about this part

How do I know it's the pressure switch and not the inlet valve?

If water keeps flowing with the machine unplugged, the inlet valve is sticking. If the fill stops when power is cut, but the machine overfills or under-fills while running, the pressure switch or its hose is the more likely cause.