How to Safely Turn Off Your Water Heater. Your water heater is a crucial appliance that provides hot water for daily activities such as bathing, cooking, and cleaning. However, there are times when you may need to turn off your water heater—whether for repairs, maintenance, or an emergency leak.
At Active Plumbing & Air, we have been Las Vegas’ trusted family-owned plumbing experts for over 30 years, providing affordable pricing, great quality work, and reliable service. As a certified repair contractor approved by the Las Vegas Valley Water District, we ensure that your plumbing system runs safely and efficiently.
This guide will walk you through the step-by-step process of safely turning off your water heater, whether you have a gas or electric model.
When Should You Turn Off Your Water Heater?
There are a few common situations where you may need to shut down your water heater:
✔ A leak in the water heater or connected pipes
✔ Strange noises coming from the unit
✔ Routine maintenance or flushing
✔ Planned repairs or professional servicing
✔ Your home will be vacant for an extended period
Ignoring leaks or unusual noises can result in damage, higher energy bills, and potential flooding. Contact us today if you need professional water heater repair or inspection.
How to Turn Off an Electric Water Heater
🔹 Step 1: Turn Off the Power
• Locate your home’s electrical breaker panel.
• Find the switch labeled “Water Heater” and flip it OFF.
🔹 Step 2: Shut Off the Water Supply
• Locate the cold-water inlet valve (usually at the top of the unit).
• Turn the valve clockwise until it stops to shut off the water supply.
🔹 Step 3: Drain the Tank (If Necessary)
• Connect a garden hose to the drain valve at the bottom of the heater.
• Place the other end of the hose in a safe drainage area.
• Open the drain valve to release the water inside the tank.
🔹 Step 4: Call a Professional If Needed
If you’re unsure about the issue or need assistance, schedule a service with Active Plumbing & Air.
How to Turn Off a Gas Water Heater
Gas water heaters require additional safety precautions due to the gas supply.
🔹 Step 1: Turn Off the Gas Supply
• Locate the gas shut-off valve on the gas line near your water heater.
• Turn the valve perpendicular to the pipe to stop the gas flow.
🔹 Step 2: Turn Off the Water Supply
• Find the cold-water inlet valve at the top of the heater and turn it off.
🔹 Step 3: Turn Off the Pilot Light
• Locate the gas control knob on the front of the unit.
• Turn the knob to “OFF” or “Pilot” mode.
🔹 Step 4: Drain the Tank (If Needed)
• Attach a hose to the drain valve and empty the tank if required.
💡 Safety Tip: If you smell gas, do not attempt to shut off the heater yourself—leave the house immediately and call your gas provider or a professional plumber.
Learn more about our water heater repair services here.
Why It’s Important to Shut Off a Leaking Water Heater
A leaking water heater can cause water damage, mold growth, and structural issues in your home.
At Active Plumbing & Air, we:
✅ Inspect outdoor water mains for leaks to ensure efficiency.
✅ Repair water main line leaks from the meter to your home.
✅ Install emergency shut-off valves to prevent water damage.
If you notice puddles, rust, or unusual noises from your water heater, contact our team for fast and affordable repairs.
Water Heater Maintenance Tips
To extend the lifespan of your water heater and avoid costly repairs, follow these maintenance tips:
✔ Flush the tank once a year to remove sediment buildup.
✔ Check for leaks regularly around the unit.
✔ Test the pressure relief valve for proper function.
✔ Monitor water temperature settings to prevent overheating.
Read our step-by-step guide to flushing your water heater here.
Need Water Heater Repair or Replacement? We Can Help!
At Active Plumbing & Air, we specialize in tank-type and tankless water heater installations to meet your home’s needs.
✔ Family-owned and trusted for 30+ years
✔ Certified by the Las Vegas Valley Water District
✔ 4.9 Google rating with 819+ reviews
✔ Affordable pricing and quality workmanship
📞 Need help with your water heater? Schedule a service now!
Final Thoughts
Knowing how to safely turn off your water heater can help prevent damage, high energy bills, and dangerous malfunctions. Whether you have a gas or electric unit, following these steps ensures your home stays safe.
For professional water heater services in Las Vegas, trust Active Plumbing & Air. Contact us today for expert repairs, maintenance, and installations!