Wilo 4255416 Yonos Pico-Z 25/.5-6-130 Bronze Replacement Pump

The Wilo Yonos PICO-Z 25/0.5-6-130 (4255416) is a maintenance-free glandless circulator designed specifically for domestic hot water systems. It features preselectable control modes including Δp-c constant differential pressure and constant speed options (3 stages or continuously adjustable), an LED display showing setpoint, power consumption in watts and flow rate in m³/h, integrated motor protection, automatic deblocking, manual pump venting and restart functions.

Key Features

• Secondary hot water bronze pump replacement
• Preselectable control modes for optimum load adjustment: Δp-c constant differential pressure, constant speed (3 stages) or continuously adjustable
• LED display for setpoint, current consumption (W) and flow rate (m³/h)
• Integrated motor protection and automatic deblocking function
• Manual pump venting for rotor chamber and manual restart
• Quick electrical connection with Wilo-Connector
• Thermal insulation shell included

Specifications

• Max. operating pressure: 10 bar
• Fluid temperature range: 2–95 °C (at max. ambient 40 °C: +2…+70 °C)
• Ambient temperature: -10…+40 °C
• Mains connection: 1~230 V, 50/60 Hz
• Rated power P2: 0.03 kW; Power consumption P1: 4–40 W
• Speed range: 700–4200 1/min
• Pump housing: stainless steel 1.4409; Impeller: PPO-GF30; Shaft: oxide ceramic; Bearing: carbon-graphite
• Connections: G 1½ suction/discharge; Port-to-port length: 130 mm
• Protection class: IPX4D; Insulation class: F

Applications

Ideal for domestic hot water recirculation in residential properties. Suitable only for drinking water.

What’s in the box

Wilo Yonos PICO-Z 25/0.5-6-130 pump with thermal insulation shell and Wilo-Connector.