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Welcome to the Sunstar Solution, your answer to endless hot water!

We are the manufacturer’s representative for the Act, Inc. D’MAND Recirculation Pump. The D’MAND Recirculation pump is a hot water recirculation pump that works on demand only. This pump is different from the competition and here’s why: • It is the only type of pump that will not void or reduce the warranty for tankless water heaters. • It is the only type of pump that is LEED Certified and UL listed. • The pump will only come on when you tell it to.

"OK, there! I don't want to hear anyone whining about how long it takes for the water to gßet hot!"