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Where Should You Put Check Valve

Time: 15-July 2025 | Source: I-FLOW| Share

Everyday Places Where You Need a Check Valve

1.Right After a Pump
Imagine a garden hose pump. Once you turn it off, gravity and pressure changes might suck water back into the pump—bad news for its components! A check valve right after the pump keeps everything moving forward and prevents costly damage.
2.In Your Boiler or Water Heater
Water heaters and boilers rely on check valves to keep hot water from flowing backward into the cold water line. Without it, you might get inconsistent temperature or pressure, or worse—cross-contamination.
3.HVAC Systems
Check valves help balance the flow of hot or cold water, keeping your rooms comfortable and energy-efficient. They stop water from looping the wrong way and throwing the whole system off balance.
4.Garden Irrigation
Ever noticed that sprinkler pipes can “gulp air” when the system shuts down? Check valves prevent water from draining backward—saving your landscaping and avoiding messy pressure surges.

What Happens If You Don’t Use a Check Valve

  • Reverse flow floods your system
  • Air enters your lines and causes pressure loss
  • Pumps and compressors wear out faster
  • Clean water may mix with dirty or chemical-filled water

Easy Check Valve Tips

  • Always follow the flow direction arrow
  • Pick the right valve for horizontal or vertical use
  • Don’t skimp—cheap ones fail fast
  • Clean the pipes before installing to avoid jamming it with debris
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