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RS15/6
WILO
8419901000
The WILO RS15/6 hot water circulation pump is a high-performance, versatile device engineered to meet diverse circulation and pressurization needs across residential, commercial, and industrial settings. As a flagship model from WILO—an industry-leading brand renowned for reliability and innovation—this pump stands out for its quiet operation, durable construction, and energy-saving design. Whether you need to optimize hot water circulation for your home’s underfloor heating system, improve low water pressure in an apartment, or support return water flow for solar/air source heat pumps, the WILO RS15/6 delivers consistent, efficient performance.
Designed to adapt to varying flow and pressure requirements, the pump integrates 3-speed power adjustment and optional intelligent control features, making it a practical choice for both daily household use and small-scale industrial applications. From radiator heating system circulation to boiler and air conditioner circulation in commercial spaces, the WILO RS15/6 addresses key pain points like inadequate water flow, high energy consumption, and disruptive operational noise—all while maintaining long-term stability.

The WILO RS15/6 offers flexible power control with three adjustable levels: high (93W), medium (67W), and low (46W). This feature allows users to tailor the pump’s performance to specific needs, optimizing energy efficiency without compromising functionality. At high speed, the pump delivers a maximum flow rate of 57 L/min and a total head of 6 meters—ideal for demanding scenarios like industrial fluid circulation or large residential heating systems. Medium speed (41 L/min, 5 meters head) suits most home heating and hot water circulation needs, while low speed (25 L/min, 3 meters head) is perfect for energy-saving, low-demand operation. This versatility makes the pump compatible with “3-speed hot water circulation pump” and “adjustable flow water pump” search queries, capturing targeted SEO traffic.
Many variants of the WILO RS15/6 come equipped with optional timers or thermostats, enabling automatic operation within user-defined temperature ranges or time periods. This intelligent functionality eliminates the need for manual adjustment, ensuring the pump runs only when necessary—reducing energy waste and lowering long-term operational costs. Whether you want hot water ready at specific times of the day or need the pump to shut off when temperatures exceed 110℃, the intelligent control system adapts to your schedule. This feature aligns with search intent for “thermostat-controlled circulation pump” and “energy-saving hot water pump,” boosting SEO relevance.
Built for longevity, the WILO RS15/6 features an optional cast iron or copper pump head—materials chosen for their resistance to corrosion and high temperatures. With a medium temperature range of -10℃ to 110℃, the pump performs reliably in extreme weather conditions and high-heat applications like boiler circulation. Its IP44 protection rating ensures resistance to dust and splashing water, making it safe for humid environments such as basements, utility rooms, or industrial workshops. This durable design positions the pump as a top choice for “durable hot water circulation pump” and “humidity-resistant water pump” searches.
Equipped with a shielded motor, the WILO RS15/6 operates at ultra-low noise levels, making it ideal for home installation. Unlike traditional pumps that produce disruptive hums, this model’s quiet performance ensures it won’t disturb daily life—even when installed near bedrooms or living areas. The low-noise design is a key selling point for residential users, aligning with search queries like “quiet hot water pump” and “home-friendly circulation pump.”
Model | Input Power (W) | Max Head (M) | Max Flow (L/Min) | Piping Size (mm) | Weight (KG) | Protection Rating | Medium Temp Range |
RS15/6 | 93/67/46 | 6/5/3 | 57/41/25 | 15 | 2.1 | IP44 | -10℃ ~ 110℃ |

Underfloor Heating/Radiator Systems: Circulates hot water efficiently to maintain consistent room temperatures, eliminating cold spots.
Solar/Air Source Heat Pump Return Water: Optimizes heat transfer by ensuring smooth return water flow, boosting the efficiency of renewable energy systems.
Low Water Pressure Improvement: Enhances water pressure in apartments or older homes, resolving issues like weak shower flows or slow-filling sinks.
Boiler & Air Conditioner Circulation: Supports fluid circulation in small-scale commercial boilers and AC systems, ensuring reliable operation.
Small-Scale Industrial Circulation: Ideal for light industrial applications requiring consistent flow, such as small manufacturing facilities or workshops.
These scenarios target long-tail keywords like “solar heat pump return water pump,” “radiator system circulation pump,” and “industrial boiler circulation pump,” expanding the product’s reach to high-intent users.
As a product of WILO—a global leader in pump technology—the RS15/6 benefits from the brand’s reputation for quality and after-sales support. Users searching for “WILO circulation pump” or “reliable hot water pump” will find this model prominently, leveraging brand loyalty and credibility.
The 3-speed adjustment and intelligent control features minimize unnecessary power consumption, reducing electricity bills and environmental impact. This aligns with growing consumer demand for eco-friendly products, capturing searches like “energy-saving circulation pump” and “low-power hot water pump.”
With compact dimensions (L0=130mm, B1=100mm) and compatibility with standard 1" piping, the WILO RS15/6 is easy to install and integrate into existing systems. This convenience appeals to DIY users and professional installers alike, matching search queries like “easy-to-install hot water pump.”
From extreme temperatures (-10℃ to 110℃) to humid environments (IP44 rating), the pump adapts to diverse conditions, making it suitable for global use. This versatility broadens its market appeal and captures searches like “all-weather circulation pump.”
Ready to elevate your circulation system with the WILO RS15/6 hot water circulation pump? Whether you’re a homeowner seeking quiet, energy-efficient hot water circulation or a business owner needing reliable industrial support, this pump delivers unmatched performance. Inquire now for custom quotes, technical support, or detailed installation guides. For immediate purchase, add to basket and enjoy the peace of mind that comes with WILO’s quality and durability. Don’t settle for subpar circulation—choose the WILO RS15/6 for consistent, efficient, and long-lasting performance.
The WILO RS15/6 hot water circulation pump is a high-performance, versatile device engineered to meet diverse circulation and pressurization needs across residential, commercial, and industrial settings. As a flagship model from WILO—an industry-leading brand renowned for reliability and innovation—this pump stands out for its quiet operation, durable construction, and energy-saving design. Whether you need to optimize hot water circulation for your home’s underfloor heating system, improve low water pressure in an apartment, or support return water flow for solar/air source heat pumps, the WILO RS15/6 delivers consistent, efficient performance.
Designed to adapt to varying flow and pressure requirements, the pump integrates 3-speed power adjustment and optional intelligent control features, making it a practical choice for both daily household use and small-scale industrial applications. From radiator heating system circulation to boiler and air conditioner circulation in commercial spaces, the WILO RS15/6 addresses key pain points like inadequate water flow, high energy consumption, and disruptive operational noise—all while maintaining long-term stability.

The WILO RS15/6 offers flexible power control with three adjustable levels: high (93W), medium (67W), and low (46W). This feature allows users to tailor the pump’s performance to specific needs, optimizing energy efficiency without compromising functionality. At high speed, the pump delivers a maximum flow rate of 57 L/min and a total head of 6 meters—ideal for demanding scenarios like industrial fluid circulation or large residential heating systems. Medium speed (41 L/min, 5 meters head) suits most home heating and hot water circulation needs, while low speed (25 L/min, 3 meters head) is perfect for energy-saving, low-demand operation. This versatility makes the pump compatible with “3-speed hot water circulation pump” and “adjustable flow water pump” search queries, capturing targeted SEO traffic.
Many variants of the WILO RS15/6 come equipped with optional timers or thermostats, enabling automatic operation within user-defined temperature ranges or time periods. This intelligent functionality eliminates the need for manual adjustment, ensuring the pump runs only when necessary—reducing energy waste and lowering long-term operational costs. Whether you want hot water ready at specific times of the day or need the pump to shut off when temperatures exceed 110℃, the intelligent control system adapts to your schedule. This feature aligns with search intent for “thermostat-controlled circulation pump” and “energy-saving hot water pump,” boosting SEO relevance.
Built for longevity, the WILO RS15/6 features an optional cast iron or copper pump head—materials chosen for their resistance to corrosion and high temperatures. With a medium temperature range of -10℃ to 110℃, the pump performs reliably in extreme weather conditions and high-heat applications like boiler circulation. Its IP44 protection rating ensures resistance to dust and splashing water, making it safe for humid environments such as basements, utility rooms, or industrial workshops. This durable design positions the pump as a top choice for “durable hot water circulation pump” and “humidity-resistant water pump” searches.
Equipped with a shielded motor, the WILO RS15/6 operates at ultra-low noise levels, making it ideal for home installation. Unlike traditional pumps that produce disruptive hums, this model’s quiet performance ensures it won’t disturb daily life—even when installed near bedrooms or living areas. The low-noise design is a key selling point for residential users, aligning with search queries like “quiet hot water pump” and “home-friendly circulation pump.”
Model | Input Power (W) | Max Head (M) | Max Flow (L/Min) | Piping Size (mm) | Weight (KG) | Protection Rating | Medium Temp Range |
RS15/6 | 93/67/46 | 6/5/3 | 57/41/25 | 15 | 2.1 | IP44 | -10℃ ~ 110℃ |

Underfloor Heating/Radiator Systems: Circulates hot water efficiently to maintain consistent room temperatures, eliminating cold spots.
Solar/Air Source Heat Pump Return Water: Optimizes heat transfer by ensuring smooth return water flow, boosting the efficiency of renewable energy systems.
Low Water Pressure Improvement: Enhances water pressure in apartments or older homes, resolving issues like weak shower flows or slow-filling sinks.
Boiler & Air Conditioner Circulation: Supports fluid circulation in small-scale commercial boilers and AC systems, ensuring reliable operation.
Small-Scale Industrial Circulation: Ideal for light industrial applications requiring consistent flow, such as small manufacturing facilities or workshops.
These scenarios target long-tail keywords like “solar heat pump return water pump,” “radiator system circulation pump,” and “industrial boiler circulation pump,” expanding the product’s reach to high-intent users.
As a product of WILO—a global leader in pump technology—the RS15/6 benefits from the brand’s reputation for quality and after-sales support. Users searching for “WILO circulation pump” or “reliable hot water pump” will find this model prominently, leveraging brand loyalty and credibility.
The 3-speed adjustment and intelligent control features minimize unnecessary power consumption, reducing electricity bills and environmental impact. This aligns with growing consumer demand for eco-friendly products, capturing searches like “energy-saving circulation pump” and “low-power hot water pump.”
With compact dimensions (L0=130mm, B1=100mm) and compatibility with standard 1" piping, the WILO RS15/6 is easy to install and integrate into existing systems. This convenience appeals to DIY users and professional installers alike, matching search queries like “easy-to-install hot water pump.”
From extreme temperatures (-10℃ to 110℃) to humid environments (IP44 rating), the pump adapts to diverse conditions, making it suitable for global use. This versatility broadens its market appeal and captures searches like “all-weather circulation pump.”
Ready to elevate your circulation system with the WILO RS15/6 hot water circulation pump? Whether you’re a homeowner seeking quiet, energy-efficient hot water circulation or a business owner needing reliable industrial support, this pump delivers unmatched performance. Inquire now for custom quotes, technical support, or detailed installation guides. For immediate purchase, add to basket and enjoy the peace of mind that comes with WILO’s quality and durability. Don’t settle for subpar circulation—choose the WILO RS15/6 for consistent, efficient, and long-lasting performance.