If you fail to winterize your sprinkler system properly, any water left in the lines can freeze ... or the 80 psi needed to blow out rigid PVC pipes. Still, experts advise against DIYing this ...

When water freezes and ... of polyethylene plastic or PVC (polyvinyl chloride). Because you should expect to spend at least $2,500 on installing a lawn sprinkler system, you'll want to protect ...

The ball valve trigger has since been replaced with a valve from a sprinkler system, giving this high power PVC air cannon a fancy brass trigger. It looks awesome, and can kill a watermelon from ...