Turning off your main water supply during vacation is a smart way to avoid unexpected flooding while you're away. You should turn off the mains water supply when you're away from your home on vacation, even for short weekend trips. This keeps your home safe from flooding while you're not around..
Keeping this in consideration, does shutting off water affect water heater?
If the element gets turned on without water surrounding it, it gets too hot and burns up. In rare circumstances, you could also get a buildup of dangerous pressure if the relief valve were to fail. So, yes, please turn off your water heater when you turn off your water main.
Additionally, should I turn off my well pump when I go on vacation? As long as you're jetting off in the summer, spring, or fall, there's no need to turn off your well pump, as there's no danger of it freezing. However, if you're leaving during the winter and plan to turn off your thermostat while you're away, then you should definitely turn off your well pump to avoid a frozen system.
In respect to this, how do I turn off water to my house when on vacation?
Check your gutters and the drain at the bottom of the basement steps. Shut off exterior faucets and drain pipes before they freeze. Install other high-tech plumbing protection, like water sensors or even passive water shutoff valves that will automatically shut off your water line if it senses unusual water usage.
Can I leave my gas water heater on when I turn off my main water?
When you turn off the main, the water will remain in the water heater so you won't have to worry about turning off the water heater—unless you are planning on leaving the water off for an extended period of time.
Related Question Answers
Can pipes burst if water turned off?
Pipes burst when water in the pipes freezes and expands. If there is no water in the pipes, they will not freeze. However, there's no reason to turn off your water for a week even in the winter if you are leaving your furnace on.Should you turn off water heater?
If you find that your water heater has developed a leak, you should turn off the water via the valve on the heater to minimize leakage. If, however, the valve is broken, you must turn off the main water supply to prevent a never-ending flood.Should you drain a water heater when not in use?
Importance of Draining Your Water Heater at Home Some new heater owners ask me this question; “Should you drain a water heater when not in use?” My answer is always a “yes.” Despite these heaters' differences, it's crucial to drain the water because the sediment inside the tank can block the spigot.Can I turn off water and leave boiler on?
Shutting off the main water supply valve to the house would have no effect on the operation of your hot water boiler. Actually, while you are gone for a week, an hydronic heating pipe bursting might not be quite as bad as a regular domestic water pipe bursting.Can you shower with a broken water heater?
Generally its NOT unsafe to take a shower if a water heater is leaking. If its electric and unsafe the breaker on the electrical service will “trip” and turn it off. If its gas, water may leak into the firebox eventually put out the burner and pilot light. The gas will turn itself off if the pilot light goes off.What do you do with your toilet when you go on vacation?
Put just a cap of bleach in the toilet. Cover the porcelain only with Saran Wrap very tightly. You'll come back to a clean and fresh toilet. Just flush and you're ready to move on to better things in your life.What should you unplug when going on vacation?
When planning a vacation, always unplug all computers, televisions and any other accessory you don't plan to use. This will not only help reduce energy consumption, but also protect your precious items in case of an electrical storm.Can I turn my water back on myself?
If the city has stopped your water service, it is illegal for you to turn it back on yourself. Never force a valve to turn. This could the pipe or valve to break. Instead, call a plumber for assistance.Can you turn a water pump off?
Most water pumps can be turned off electrically at two locations: a switch located near the water pump or tank, such as shown the photo here and as the silver-colored electrical switch at left in this close up photo and also at the building's main electrical panel (where hopefully you have labeled the water pumpCan I turn my water pump off at night?
We do recommend turning the pump off at night. This is mostly to prevent possible sleep disturbance. Every couple hours or so the pump relaxes it's pressure just enough to run the pump for a second to bring the pressure back up. If the switch is left on during the night it can disturb your sleep potentially.Is it OK to turn off well pump?
If you leave the heat on in your house while you're away, it should be fine to leave your pump running. The heat should keep your pipes from freezing and bursting while you're away. Since cold weather is the number one cause for a burst pipe, turning off your well pump will help protect your property.Should main water valve be open all the way?
Gate valves are designed to be fully open or fully closed. Water flowing through a partially open gate valve can wear away the metal and cause the valve to fail over time. Turn on a faucet somewhere in the house and shut off the main water valve. All water flow should stop. 
