The Grundfos COMFORT PM pumps for domestic hot-water recirculation in single- and two-family houses are suitable for drinking water with a corrosion-resistant pump housing. Grundfos UP 20-07N Domestic Hot Water Service Pump Circulator, 230v. Fig. When you are looking to get the best in terms of a recirculator pump, then you might want to consider getting this one right now. The appeal of both systems is when the timer is on hot water … It is a top performance pump … 5 Domestic hot-water system with hot-water … Homes that have on-demand or tankless water heaters, this is significant, since otherwise it would be a bit of a wait before the cold water clears out of the pipes and the hot water … Grainger's got your back. Easy online ordering for the ones who get it done … Domestic hot-water systems For circulation of drinking water in domestic hot-water systems, we recommend to use Grundfos COMFORT types with brass pump housing in systems with hot-water storage tanks. With a hot water recirculation system: Time to 95° F (shower): 2 seconds Time to 120° F (washing dishes): 4 seconds. All COMFORT pumps – with or without the AUTO ADAPT function – combined with a return pipe deliver instantly hot water all over the house. Hot water in Seconds, Not Minutes. Over the years, many homeowners with tank style water heaters purchased a Grundfos Comfort Series pump with a timer or a Watts Premier circulation pump with a timer.. A hot water recirculating pump is convenient and adds comfort, as it means getting hot water faster when you turn on the hot tap. Compatible with all Grundfos … Grundfos 99452459 (old part number 595916) UP15-10SU7P/LC Instant Hot Water Comfort Recirculation System 9H with NEW Digital Timer Retrofit solution- no return line required. 1 Grundfos 595916 1/25 Horsepower Comfort Series Recirculator Pump. The UP 20-07N is a stainless steel fixed-speed circulating pump suitable for domestic hot-water systems. Looking for GRUNDFOS 1/8 HP Stainless Steel Hot Water Return Line Hot Water Circulator Pump (4VZJ6)? The UP 20-07N can be … Grundfos 99452459 UP15-10SU7P/LC Comfort Hot Water Recirculation Pump - 115V, 3/4" MPT Water Saved: Having a hot water recirculation system saves water by not having to run the faucet while waiting for hot water. If water conditions exist that are not compatible with cast iron, then Grundfos recommends the use of a bronze or stainless steel pump. The pump is equipped with a … Watts claims that using their system will save the average user 11,000+ gallons of water … Grundfos cast iron pumps are intended for use in closed systems with potable or non-potable water, softened water or with a 50/50 mixture of water and propylene glycol. This eliminates the expensive – and annoying – wait for the water to get warm and reduces the annual consumption of domestic water. Price $339.25.