Hot Water Recirculation Pump, DN20 with DN15 Adapter

Hot water recirculation pump keeps hot water moving through your lines, cutting wait time at showers and sinks while helping reduce water waste. Designed for residential plumbing, this quiet circulator pairs a programmable timer with a built-in check valve to prevent backflow. A stainless steel pump head and heat-resistant housing support dependable daily use across bathrooms, kitchens, and utility areas.

• Delivers up to 38 L/min flow with up to 21.6 ft (6.6 m) head lift for fast hot-water circulation


• Includes programmable timer to run only when needed and reduce standing wait time at fixtures


• Runs quietly at about 3 dB for low-disruption operation in homes and apartments


• Prevents backflow with enclosed check valve to keep hot and cold lines separated


• Installs easily with DN20 inlet/outlet and included DN15 adapter; keep shaft horizontal

Upgrade your hot water loop with a circulator pump built for steady performance and simple scheduling. The combination of durable materials, efficient circulation, and backflow control helps you get hot water faster without constantly running taps. Ideal for whole-home recirculation or targeted lines where long pipe runs cause delays. Grab yours today and set your timer for hot water on your routine—morning showers, dishwashing, and everything in between.

• Operating temperature: 34–104°F (2–40°C)


• Waterproof rating: IPX4


• Power: 100W


• Max flow: 38 L/min


• Max head lift: 21.6 ft (6.6 m)


• Max pressure: 0.6 bar (9.57 PSI)


• Inlet/Outlet: DN20; Adapter: DN15


• Pump head material: 304 stainless steel


• Pump housing material: PPO


• Insulation class: Class F


• Noise level: ~3 dB


• Product size: 7.36 x 5.9 x 5.3 in (18.7 x 15 x 13.5 cm)


• Net weight: 5.95 lb (2.7 kg)