Hot waterrecirculating pump installation diagram

Wilo-Stratos PICO-Z is a high-efficiency, glandless circulation pump used in domestic sanitary water applications. Manufactured in Europe the pump combines a modern display, innovative functions and unbeatable efficiency. The Stratos PICO-Z is the perfect sanitary water pump for residential and small commercial buildings.

Wilo technology, powerful performance and specific control functions make Wilo-Yonos MAXO an economical, high-efficiency standard pump. Yonos-MAXO makes heating systems work up to 80 percent more economically than a pump without speed control in large residential and functional buildings, perfect for the commercial business service market.

Recirculatinghot watersystem diagram

Brochures for Wilo Australia's range of circualtor pumps are availble for download in two versions; Combined Sanitary & Non-sanitary Circulator Pumps and Sanitary-only Circulator Pumps.

Reduce Flood Risk https://www.reducefloodrisk.org/mitigation/install-backflow-prevention-device/ Printed: 11/01/2024

Hot waterrecirculating pump without return line

Need a replacement circulator pump? The Wilo-Varios PICO-STG is the universal replacement solution in the heating, air conditioning, cooling sector for residential buildings. Designed as an instant replacement for a huge variety of circulators, the Varios PICO-STG has unrivalled compatibility combined with Wilo premium efficiency.

Looking for a replacement pump for your residential or commercial job? Contact us today to learn more of see further information on our products in the pump finder.

A backflow prevention device, also known as a flood mitigation or shutoff valve, is a valve designed to prevent stormwater or sewage from flooding your building through any toilets, sinks, showers, or other drains. Building drainage and sanitary systems are designed to remove sewage and other liquid waste from structures, but when floodwaters enter and overload the municipal sewage or stormwater system to which your pipes connect, the direction of flow can reverse, causing contaminated water to back up into your building. Sewage backup can occur even if a building does not otherwise flood, usually due to service lines that are broken or completely or partially blocked by grease, waste, or tree roots. A backflow prevention device can be installed directly into your main drain pipe, preferably outside of the building ahead of the point where the main drain pipe enters the structure, to stop the reverse flow of water from the city’s system into your home or business.

Hot waterrecirculation valve

Hot waterrecirculating system with dedicated return line

Backflow prevention devices include check valves, gate valves, ball float check valves, flap valves, and dual backflow valves. They can be automatic or manual, and configured in an open or closed position. A normally open valve is typically open to allow sewage to flow out during normal use but closes if backflow occurs, whereas a normally closed valve is typically closed and only opens when regular flow in the designed direction occurs to let the sewage exit. Dual backflow valves, while the most expensive, are most often recommended as they are a combination of check (closed) and gate (open) valves, which provide dual protection against infiltration; this can be valuable for a building that repeatedly has backflow flooding.

Wilo is a world leader in circulator pumps, combining top-rate performance, German engineering and world-class materials, our high-efficiency pumps are designed to supply maximum efficiency while reducing costs. Check out three of our most popular pumps below, and follow the links for more information!

You should have your backflow prevention devices installed by a qualified, licensed plumber in a location that allows best access for inspection, maintenance, and cleaning, preferably outside the structure to minimize damage should the sewer line fail. Regular inspection and maintenance are critical to make sure that the valve has not been affected by soil or debris, and that it is still functioning properly. You might also consider installing a sewer backup alarm to warn you when the backwater valve is activated so that you know to minimize your water usage.