RV Toilet Vacuum Breaker Leaking? Symptoms and Replacement

RV Toilet Vacuum Breaker Leaking Symptoms and Replacement

i TL;DR An RV toilet vacuum breaker can leak clean water from the upper rear of the toilet during flushing. Check the supply hose, its connection, and the water valve before buying a replacement part. Thetford Style Lite, Style II, Residence, and Style Plus toilets use kit #34122, which requires removing the toilet. Dometic 300, … Read more

RV Black Tank Replacement Cost (2026): Parts, Labor & DIY

RV technician inspecting a black water holding tank during replacement at an RV repair workshop.

✓ TL;DR For the specific 30-gallon models checked this session, tank-only prices run about $330 to $410 (blank, no fittings) at RecPro and Alpha, and roughly $300 to $500 at Icon depending on configuration, since Icon tanks ship with a spigot and sensors already installed. These are prices for the models checked, not a universal … Read more

RV Toilet Water Supply Line Leak: 7 Easy Steps to Fix It

Alt text: RV toilet water supply line leak at rear fitting with paper towel checking for dripping water.

✓ TL;DR An RV toilet water supply line leak may come from a loose fitting, damaged seal, cracked tubing, or freeze damage. Disconnect city water and switch off the RV water pump, then flush to relieve pressure before disconnecting the line. Dry every connection completely and use paper towels to catch exactly where moisture reappears. … Read more

RV Gray Water Tank: How It Works, Size, Dumping & Care

RV Gray Water Tank How It Works, Size, Dumping & Care

TL;DR An RV gray water tank collects wastewater from your sinks and shower. It does not hold toilet waste. It’s a separate system from the black tank (toilet waste) and the fresh water tank (your drinking and washing supply). There’s no standard gray tank size. Capacity depends on your RV’s floorplan, and larger RVs sometimes … Read more