It may not seem like a tiny pinprick in the hose of your icemaker could cause a lot of damage, but believe me, it can. The hardwood floors in our kitchen were destroyed a few months ago because of it. For less than $100, a device like OnSite Pro’s (www.onsiteproducts.com) Icemaker/Water Filter Valve Shutoff Kit can save your floors. The valve automatically shuts off the water supply to your icemaker as soon as it detects a leak. You may not come home to a bin full of ice, but that’s a small price to pay for peace of mind. The company also offers a Water Heater Auto-Shutoff Valve (around $115).