A washing machine overflow can quickly become a water damage disaster, affecting flooring, walls, and even the structural integrity of your home. Understanding why it happens, how to prevent it, and what to do when it does can save you from costly repairs.
Causes of Washing Machine Overflows
🛠 Malfunctioning Water Inlet Valve– This valve controls the flow of hot and cold water into the machine. If it fails to shut off, water continues filling the tub, leading to overflow. Test: Shut off the power while filling—if the water continues, the valve needs replacing.
🛠 Broken Pressure Switch – This switch signals the inlet valve to stop filling when the set water level is reached. A faulty switch allows water to flow unchecked, resulting in overflow.
🛠 Low Water Pressure – If water pressure is below 20 PSI, the inlet valve may not receive the shutdown signal, causing continuous water flow.
How to Prevent Washing Machine Overflows
✔️ Avoid Overloading – Overloading unbalances the drum, preventing proper drainage and increasing the risk of overflow.
✔️ Inspect Water Supply Hoses – Old, rubber hoses deteriorate over time. Replace them with stainless steel braided hoses for durability.
✔️ Install a Water Alarm – These detect leaks early, preventing unnoticed overflows. Consider an automatic shutoff valve for extra protection.
✔️ Use the Correct Detergent – Excess suds block drainage, causing spills. Always use high-efficiency (HE) detergent for HE machines.
Washing Machine Overflow Cleanup –Step-by-Step
If your washing machine overflows, take immediate action to minimize water damage.
Step 1: Cut the Power
🔌 Turn off electricity at the circuit breaker—do not use the washer’s control panel to stop the cycle. Electrical components and standing water are a shock hazard.
Step 2: Remove Standing Water
🧹 Mop up water quickly to prevent it from seeping into flooring, baseboards, and walls. Remove wet rugs and furniture immediately.
Step 3: Inspect the Washer & Hoses
🔍 Check the water supply hoses behind the washer. Look for leaks, cracks, or loose connections. If damaged, replace them immediately.
Step 4: Drain the Washer Manually
👕 Remove wet clothes and wring them out in a sink or tub. This helps drain the remaining water in the machine.
What If the Overflow Causes MajorWater Damage?
If no one is home when an overflow occurs, the resulting flood can seep under floors, into walls, and create hidden moisture pockets—ideal conditions for mold growth. Mold can begin forming in as little as 24–48hours (EPA).
💧 Water can damage:
- Hardwood & laminate floors (warping & swelling)
- Drywall & insulation (hidden moisture promotes mold)
- Electrical wiring (shock & fire hazards)
🚨 Signs You Need Professional WaterDamage Restoration:
✔ Water has seeped under flooring or into walls.
✔ You notice a musty odor, indicating potential mold.
✔ Carpets and drywall remain damp after 24 hours.
Attempting DIY water damage cleanup without proper drying equipment can lead to long-term structural damage and costly repairs.
ServiceMaster Fire & Water Cleanup– Professional Water Damage Restoration
When a washing machine overflow leads to significant flooding, hidden water damage, or mold concerns, ServiceMaster Fire & Water Cleanup provides expert water extraction and structural drying to protect your home or business.
Our Professional Restoration Process:
💧 Water Extraction & Drying– Industrial pumps, air movers, and dehumidifiers remove excess moisture.
🦠 Mold Prevention & Sanitization – EPA-approved antimicrobial treatments to prevent bacteria and mold growth.
🏡 Structural Repairs & Restoration – Restoring walls, flooring, and baseboards affected by water damage.
📋 Insurance Assistance – We work directly with your insurance provider to streamline claims.
Why Choose ServiceMaster Fire &Water Cleanup?
✅ 24/7 Emergency Response – Fast action prevents further water damage.
✅ IICRC-Certified Experts – Industry-leading training and technology.
✅ Residential & Commercial Restoration – Serving homes, condos, and businesses across Lake, Cook, and DuPage County, IL.
✅ Proven Experience – Trusted restoration professionals with years of expertise.
📞 Don’t wait—water damage worsens over time! Call ServiceMaster Fire & Water Cleanup today for expert water damage restoration. 🚨
Protect Your Home from Future Washing Machine Overflows
- Inspect & replace hoses every 5 years
- Avoid overloading to ensure proper drainage
- Install an automatic water shutoff valve for peace of mind
Taking preventative measures and knowing how to respond can reduce costly damage and protect your property. But if an overflow turns into a major water damage situation, trust ServiceMaster Fire &Water Cleanup to handle the restoration professionally and efficiently.
📍 Serving Lake, Cook, and DuPage County, IL | 📞 24/7 Emergency Service Available