The Wilo PW BOOST OPTI is a smart, self-priming pump for hot and cold water, offering an integrated solution for efficient self-priming, intelligent control, and stable pressure boosting. Capable of automatic priming and startup, it is particularly well-suited for applications lacking inlet pressure, such as drawing water from cisterns or wells. Its core advantage lies in intelligent control technology based on dual signals—pressure and flow. By utilizing internally installed pressure and flow switches to gather real-time pipeline data and combining this with automatic or manual operating modes, the pump intelligently determines its own operational status. This technology employs cross-verification of the dual signals—requiring both pressure triggering and flow response to initiate the pump—thereby effectively preventing accidental starts or stops caused by momentary pressure fluctuations in the pipeline.

The pump features exceptional anomaly detection capabilities; when the system detects a drop in pressure without a change in flow, or flow fluctuations alongside stable pressure, it intelligently distinguishes between external water supply interruptions and minor leaks, promptly stopping the pump for protection. Additionally, a delayed confirmation mechanism continuously samples pressure and flow data over a brief period to further ensure start/stop accuracy, resulting in smoother and more reliable operation. To accommodate diverse household water usage scenarios, it is equipped with a control box featuring a display screen; offering sensitive start/stop response and intuitive operation, it allows users to easily switch between modes as needed.

In terms of design, the product boasts a distinctive, patented appearance and utilizes a high-standard electrophoretic coating for superior corrosion resistance, extending the equipment's service life. Its low-noise operation ensures that the daily lives and rest of family members remain undisturbed. Internally, it employs an international-standard IEC motor that meets national Grade 2 energy efficiency requirements, achieving goals of energy conservation and environmental friendliness. Furthermore, the pump includes dry-run and anti-clogging protection, as well as an anti-seize mode to ensure worry-free operation; these design features collectively enhance the product's durability and user experience.

With a wide range of head and flow capabilities, the Wilo PW BOOST OPTI effectively boosts water pressure and flow, thoroughly resolving common household issues such as weak shower streams caused by insufficient pressure or reduced flow during peak usage times. It is suitable for a wide range of applications—such as high-rise water supply, water heater pressurization, solar water systems, and general tap water boosting—designed to provide users with a satisfying and powerful water flow experience.

Construction

Automatic self-priming pump for hot and cold water

A compact, quiet, and versatile water supply unit.

The Wilo-PW BOOST OPTI is a self-priming booster pump designed primarily for residential buildings. It is available in three models to suit different power requirements. It features a compact, plug-and-play design that ensures easy installation.

The pump is equipped with a user-friendly control unit. Its housing is dustproof and rainproof, allowing for outdoor installation, and it includes automatic control functionality. Additionally, it operates very quietly. Compact, space-saving design

Housing allows for flexible indoor and outdoor use (motor protection class IP44, rain protection class IPX5)

Plug-and-play design for easy installation

Control unit offers multiple control modes for convenient and flexible operation

Automatic control and automatic start/stop functions ensure reliable operation

Housing design ensures quiet, noise-free operation

Applications

Automatic water supply and pressure boosting from collection tanks

Water supply
Sprinkling
Irrigation and watering
Rainwater reuse

Model code

Technical data

Power connection: 1~220/230 V (±10%), 50 Hz
Fluid temperature: 0 … 60 °C
Rated head: 6 m
Max. suction lift: 8 m
Ambient temperature: -10 … +40 °C
Pressure switch ON: 1.2 bar
Flow sensor OFF: 3 l/min
Insulation class: F
Motor protection class: IP44
Pump protection class: IPX5
Pipe connection nominal diameter: G1"

Materials

Pump housing: Composite material
Pump casing: Electrophoretically coated grey cast iron
Impeller: Composite material
Shaft: Stainless steel
Bearings: Carbon graphite

Scope of delivery

Pump
Installation and operating instructions