You hook up the hose, twist the valve, and wait… but nothing comes out. It’s a common problem for homeowners all over Southwest Florida.
There's a good chance the drain valve is clogged or blocked. This usually comes as a result of sediment from inside the tank blocking the valve. Florida’s water has plenty of minerals, and over time they settle at the bottom of the tank until water cannot flow the way it should.
Routine flushing keeps sediment from piling up, but once the valve is clogged you will need to take a few extra steps.
How to Drain a Water Heater
Flushing your water heater once or twice a year is the best way to stay ahead of problems and save on costly repairs. Here’s how to do it:
- Turn off the power or gas
- Shut off the cold-water supply
- Hook up a garden hose
- Open a hot water tap
- Open the drain valve
- Rinse the tank
- Refill and restart
If nothing comes out when you open the valve, it means you have a clog.
How to Unclog a Water Heater Drain Valve
If your water heater will not drain, try these quick fixes before calling in a plumber:
- Open and close the valve a few times. The pressure shift may break the clog.
- Use a stiff wire to gently loosen sediment at the valve opening.
- Turn the cold-water supply back on for a few seconds to flush debris with extra pressure.
- Repeat as needed. Sometimes it takes a couple of tries.
If water still will not flow, or if you are not comfortable attempting this, call Aztec Plumbing & Drains at (239) 932-2959. We clear clogged valves safely and know how to get tanks draining again.
Common Causes of a Clogged Water Heater Drain
Sediment is usually the main culprit, but it is not the only reason your water heater might not drain. Other causes include:
- Mineral buildup: Hard water leaves deposits that settle in the bottom of the tank.
- Rust or corrosion: Older tanks shed flakes that block the valve.
- Faulty valve: Sometimes the valve itself is worn or damaged.
- Skipped maintenance: Going years without a flush allows hardened buildup.
- High hot water use: Larger households put more demand on the system.
When to Call a Professional for Water Heater Repair
DIY steps can help with minor clogs, but sometimes it is better to let a pro step in. If your tank still will not drain, or you are seeing leaks, hearing loud banging, or running out of hot water too fast, it is time to call.
Aztec Plumbing & Drains offers water heater repair and maintenance across Fort Myers, Cape Coral, Naples, and Port Charlotte. With free estimates and no trip fee, getting help is simple. Our technicians will clear the clog, inspect the system, and help keep it running longer.
Keep Your Water Heater Running Smoothly
Regular flushing helps prevent clogs and extends the life of the system, saving on costly repairs or replacements, and when you need expert help, Aztec Plumbing & Drains is here for homeowners in Southwest Florida. Call us today at (239) 932-2959 for reliable service and keep your hot water running.
Learn More in Our Water Heater Series:
