There are 100 items in every house that nobody even knows about until something goes wrong, and then the scramble to find a replacement part can leave you annoyed and inconvenienced for days or weeks. A fuel check valve is a common component in many appliances from home heating systems to hydraulic jacks, sprinkler systems, and pumps of all kinds. They allow for the two-way flow of liquids or gasses depending on conditions and are also handy to have around in case you need replacement parts for car and lawnmower engine water pumps and other fuel or liquid systems. A fuel line check valve keeps fuel moving safely through your engine without contamination. A fuel pump check valve prevents your engine from pumping too much fuel and causing problems with flooding and overheating, which is invaluable in high-performance vehicles. Keeping spare check valves around is a sound idea for anyone who likes to be prepared for life's daily irritations. You can find a fuel check valve through the vast inventory of mechanical components on eBay.
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