Grundfos - Comfort Series - Hot Water Recirculation Pump/Timer & By-Pass Valve System. Now you can easily have the convenience of instantly available hot water at your tap. The water circulation system that eliminates cold water runoff at the faucet using a bypass valve and pump with a timer to control water flow. No return line required. Installs in less than one hour. No electricity needed under the sink. Built-in timer & line cord. Uses less energy than a 25-watt light bulb. An extra bonus to instant hot water is that you can save up to 16,000 gallons of water per year, per household. Comes with two (2) 1/2" FNPS X 1/2" FNPS X 12" stainless steel flex hoses. 10SU7P/TLC (595916)

Valve Only for the "Comfort System" by Grundfos. 4 - Port, Check Valve / Manifold (Note this image shows the valve along side the Grundfos Comfort System Pump - The Item offered here is the valve only.)