Product specification
| Product code | Product codes for the UK and Ireland models | 46412 |
| General | GTIN | 5050400464129 |
| Warranty | 5 years (subject to conditions) | |
| WRAS | WRAS-approved product | |
| Kiwa | KUKreg4 certified | |
| Conformity certification | UKCA | CE | |
| Features | Pump type | Peripheral |
| Pump control | Pressure & Flow Switch | |
| Mechanical seal | EPDM / PTFE / Al. Oxide | |
| Anti-vibration feet | ||
| Inlet strainer(s) | ||
| Anti vibration hoses | 4 | |
| Run on timer | 3 seconds | |
| Dry run protection | ||
| Typical noise | 57 dB(A) | |
| CONSTRUCTION | ||
| Enclosure protection | IPX4 | |
| Pump body | Brass | |
| Impeller | Brass | |
| PERFORMANCE | ||
| Maximum head - closed valve | 4.5 bar / 45 metres | |
| Performance @ 9 l/min | 3.8 bar | |
| Performance @ 18 l/min | 3.2 bar | |
| Maximum flow | 51 l/min | |
| Maximum static inlet pressure | 12 metres | |
| Maximum static outlet pressure | 12 metres | |
| Maximum working pressure* | 600 kPa / 6 bar | |
| Maximum ambient air temperature | 40 °C | |
| Min / Max water temperature** | Min 4 °C / Max 65 °C | |
| Flow switch sensitivity | 0.6 l/min (approx) | |
| Pressure vessel air pre-charge | 1.3 bar / 18.5 psi | |
| CONNECTIONS | ||
| Pump connections (Inlet) | G ¾ M | |
| Pump connections (Outlet) | G ¾ M | |
| ANTI-VIBRATION HOSES | ||
| Connections (Export model) | G ¾ F x G ¾ F. 318 mm long ± 5 mm | |
| MOTOR | ||
| Type | Induction, auto-reset thermal trip | |
| Duty rating | Continuous (S1) @ 9 l/min and above*** | |
| ELECTRICAL | ||
| Power supply (Vac/Ph/Hz) | 230 V a.c. / 1 / 50 Hz | |
| Power consumption - P1 | 1135 watts | |
| Current - full load | 5.1 amps | |
| Fuse rating (amps) | 13 amps | |
| Power cable length | 1.5 metres (pre-wired) | |
| DIMENSIONS | ||
| Length | 310 mm | |
| Width | 162 mm | |
| Height - excluding hoses | 243 mm | |
| Weight - including fittings | 11.6 Kg | |
| More information | The Monsoon Universal U4.5 bar Twin Shower Pump is designed for homes with vented water systems, where water is stored in a tank and cylinder rather than supplied directly from the mains. What makes the Universal range different is its ability to operate in both positive and negative head applications. This means it can deliver reliable performance even when the shower outlet is positioned above the water source, or where pipework and layouts make pressure less predictable. By boosting both hot and cold supplies equally, the pump helps restore balanced pressure to showers, bathrooms, or multiple outlets across the home — offering a dependable solution for more challenging installations. This model is not suitable for unvented or mains-pressure systems. If you’re unsure which setup you have, our pump range includes alternative options designed to suit different household systems and pressure requirements. | |