La description
Stuart Turner Monsoon Standard Twin Shower Pump – 1.5 bar (Positive Head)
The Monsoon Standard 1.5 bar Twin is designed for positive head (gravity-fed) systems. It boosts both hot and cold supplies, giving you stable, reliable pressure in your shower, bathroom or for smaller multiple outlets without over-powering the system.
What makes this pump work
- 1.5 bar maximum closed valve pressure
- Positive head only – needs some natural flow
- Solid brass body, anti-vibration feet
- 22 mm flexible hoses with isolators included
- WRAS approved, continuously rated motor
- 5-year manufacturer warranty
Key features
- Pump type: Regenerative / Peripheral, Twin impeller
- Flow switch starts around 0.6 L/min
- Connections: 4 × 22 mm flexi hoses with isolators
- Body: Brass with robust mechanical seal
- Quiet operation thanks to anti-vibration design
Performance
- Maximum head (closed valve): ~1.5 bar :contentReference[oaicite:0]{index=0}
- Flow at 9 L/min: ~1.2 bar :contentReference[oaicite:1]{index=1}
- Flow at 18 L/min: ~1.1 bar :contentReference[oaicite:2]{index=2}
- Maximum flow: ~49 L/min :contentReference[oaicite:3]{index=3}
Need help choosing or installing?
Not sure if positive head is enough for your setup? We’ll help you figure out flow, head, and whether this 1.5 bar Monsoon Standard will do the job or if you need a higher-bar or universal model.
Positive head only (gravity-fed)
~ 0.6 L/min
~ 49 L/min
5 years (manufacturer terms)
What’s in the box
- Monsoon Standard 1.5 bar Twin pump (brass body)
- 4 × 22 mm flexible anti-vibration hoses with isolators
- Fittings & user manual
Installation notes
- Must be installed in a positive head system with some natural flow at outlets
- Keep pipe runs short and straight; use isolation valves on hoses
- Electrical work to be done by a qualified installer
- Ensure pump is mounted securely and vibration damped
Alternative options
If your system has no natural flow or you're running multiple high demand outlets, consider stepping up to a higher-bar version or universal head-capable Monsoon pump.
