Circulator pump Weberman DHW 0201W 25-40 180 — domestic hot water pump, 25–40 mm, 180 mm shaft/length

Weberman DHW pump 0201W 25-40 180 is a circulator designed for domestic hot water (DHW) systems. The pump is intended for inline plumbing installation with a 25–40 performance range and a 180 mm installation/shaft length. It maintains continuous or intermittent hot water circulation to reduce waiting time at taps, minimise heat loss in distribution lines, and support better system responsiveness in houses and small buildings. Installation requires compatible fittings and an appropriate electrical supply according to local regulations.

Advantages

The Weberman DHW 25-40 180 provides steady circulation performance suitable for typical domestic hot water loops. Its 180 mm shaft/installation length offers compatibility with common inline system layouts. The unit helps to keep water at delivery temperature with reduced standby heat loss and can be used in both continuous and demand-controlled circulation schemes. Designed for reliability in household environments, it supports straightforward integration into existing plumbing runs when paired with matching connectors and power supply arrangements.

Suitable for

• Circulation of domestic hot water in single-family homes
• Small residential buildings and apartments
• Retrofit projects to reduce cold-water waiting time at taps
• Systems using inline pump mounting with 180 mm installation length

Key specifications

• Application: domestic hot water (DHW) circulation
• Performance range: 25–40 (pump performance designation)
• Installation/shaft length: 180 mm
• Mounting: inline plumbing installation
• Compatibility: intended for use with appropriate plumbing fittings and electrical supply in residential systems

How to use

Install the Weberman DHW 25-40 180 in the hot water return or supply line according to the system design and local plumbing codes. Ensure the unit is mounted inline with correct flow direction, securely connected using compatible fittings, and that the 180 mm installation length is accommodated. Connect electrical power following the manufacturer’s wiring instructions and local regulations; verify voltage and grounding before energising. Commission the pump by checking for leaks, confirming flow, and adjusting any control settings or timers used in the circulation scheme.

Usage recommendations

For reliable operation, use this pump with properly sized piping and compatible fittings. Verify electrical compatibility and protect the unit with appropriate circuit protection. Periodic inspection for leaks, noise, and correct operation is recommended; service or replace the unit according to system maintenance schedules. When installing in retrofit applications, check that the 180 mm shaft/installation length fits existing connections or plan for adapters to achieve a leak-free installation.