Combo unit won't drain? We clear pumps, fix hoses, and restore drainage. Same-day service, 90-day warranty. Average repair cost: $100–$300. Some causes are DIY-fixable — see below.
San Rafael's soft water supply and warm Marin climate create favorable conditions for combo drain pump longevity, with drainage issues primarily stemming from aging building plumbing in the city's mid-century homes. Ranch and bungalow homes built around 1965 in Gerstle Park, Dominican, and Terra Linda have plumbing approaching 60 years old. Marin Municipal Water District delivers exceptionally soft water at 35 TDS, keeping pump internals virtually mineral-free. The warm 83°F summer climate does not create the extreme heat stress seen in Tri-Valley cities. Drainage issues in San Rafael typically trace to building infrastructure rather than combo unit components.
San Rafael's ultra-soft Marin water at 35 TDS provides excellent pump protection. The 1965-era plumbing is the primary drainage risk factor. The warm, dry climate does not accelerate hose deterioration. San Rafael's position as Marin's service center provides good repair access.
Clogged drain pump
Kinked drain hose
Failed pump motor
Filter blockage
Control board error
Normal wear on internal parts is the leading cause of washer dryer combo combo not draining issues. Regular use over 5-10 years gradually degrades moving parts and seals.
Cost: $150–$300 | Time: 60-90 minutes
Control board malfunctions, faulty sensors, or wiring issues can cause combo not draining symptoms. Power surges and age-related degradation are typical triggers.
Cost: $180–$360 | Time: 45-75 minutes
Debris, mineral deposits, or foreign objects can restrict normal operation. This is often preventable with regular maintenance.
Cost: $150–$225 | Time: 30-60 minutes
| Detail | Range |
|---|---|
| Diagnostic | Free |
| Typical repair cost | $100–$300 |
| Repair time | 1-2 hours |
| Warranty | 90 days parts + labor |
Cost varies by root cause. Exact quote after free diagnostic visit.
Combo drainage repairs in San Rafael cost $100-$300. Soft water minimizes pump scaling issues. San Rafael has 8 providers including Marin Appliance Repair. Service calls cost $89-$150, diagnostic waived with repair.
In San Rafael, wide day-night temperature swings (30f+ delta) stress thermal expansion joints, thermostat cycling, and sealed-system pressures. This can affect your appliance's control board relay: thermal cycling stresses solder joints on the relay contacts of the main control board, causing intermittent function switching failures If the unit randomly fails to switch between wash and dry modes, the control board relays may have cold solder joints
In San Rafael, very low mineral content (<60 ppm tds) or sodium-softened water causes over-sudsing, rubber swelling, and reduced detergent rinsing. This can affect your appliance's drain pump filter: over-sudsing from soft water creates dense foam that traps small objects and debris in the pump filter more quickly Clean the drain pump filter every 5 loads when using soft water; reduce detergent by at least 50%
Free diagnostic visit for not draining issues. Same-day appointments available in San Rafael.
Book Free DiagnosticReviewed by Diana Kowalski, Laundry Systems Specialist