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Boost Showers and Taps from a Gravity-Fed System
Improve weak shower pressure and slow-running taps with a compact Shower Power Booster. We have solutions to boost the whole home and protect individual showers when the tap runs.
Is This the Right Solution for Your Home?
A gravity-fed system normally stores cold water in a tank, often in the loft, and heats water in a separate cylinder.
This type of system can produce weak flow at showers and taps, particularly upstairs or when more than one outlet is being used.
- ✓Cold water storage tank in the loft
- ✓Hot water cylinder in an airing cupboard
- ✓Weak flow at showers or taps
- ✓Lower pressure at upstairs outlets
Where to Fit a Shower Pump on a Gravity System
Where you fit the pump depends on what you want to fix: one shower, one tap, or the whole house. The diagrams below show the most common gravity-fed setups.
Boost Your Whole Home
Install an SP2B Shower Power Booster on the 22mm hot pipe near the hot water cylinder to boost the hot water pressure of showers and taps throughout the home.
Boost an Individual Shower or Tap
Why does the shower drop when someone runs a tap? They're pulling from the same hot pipe.
The Shower Power Booster can be installed before a particular shower or tap to reduce temperature and pressure fluctuations.
Boost Hot and Cold for a Balanced Flow
The SP22S two-pump pack boosts both the hot and cold supplies.
You can begin with one SP2B and add an SP2U upgrade pump later.
Install Pumps in the Loft or Airing Cupboard.
Shower Power Booster pumps can be installed in a wide range of positions, including near the vent, shower, tap, hot water cylinder, in the loft or under a bath. See how to achieve whole house boosting with a single pump.
Boost Your Gravity-Fed System
Improve low water pressure with Shower Power Booster pumps designed for gravity-fed systems.
A Compact Alternative to a Traditional Shower Pump
The Shower Power Booster can be fitted where it is most convenient and used to improve the part of the system that actually needs boosting.
Boost
The whole home or an individual shower or tap.
Install
DIY fit with clear instructions and no electrician required.
Fit
Near the cylinder, shower, tap, in the loft or under a bath.
Plug In
Safe 12-volt power from a conventional electrical socket.
Use Less Energy
Uses approximately 12 watts while the pump is operating.
Review the Installation Guide
Detailed drawings and fitting instructions are supplied with every pump. Read the guide before deciding where to position the pump or making changes to the pipework.
What Customers Say
Reviews from our customers with pressure problems for gravity fed water systems.
Setup on the hot only as cold is mains pressure and this has transformed our gravity fed shower. It is now useable and suitably balanced to the cold. Installed it myself in a location that no other pump could fit. Very pleased with the results.
My gravity fed system has terrible pressure, < 1L per minute from the shower. I stuck 1 on the hot and one on the cold and its now 3L per minute and a much nicer experience.
Been meaning to boost the gravity hot supply to our bath/shower for about 25 years. Always a faff to balance with the mains cold. Half an hour and power booster is installed and all is perfect.
Gravity-Fed System FAQs
Answers to common questions about using Shower Power Booster pumps with this type of system.
Can one pump boost my whole hot water system?
In most homes, a single SP2B fitted to the outlet from the hot water cylinder can improve upstairs shower and tap performance.
Where can the pumps be installed?
Pumps can be installed near the hot water cylinder, in the loft, within a suitable wall cavity or under a bath.
Does the pump need to be secured to a wall or joist?
The pump is compact and self supporting - never use a separate support or bracing.
Do I need to boost both the hot and cold supplies?
Not always. Many gravity-fed installations only need the hot supply boosting.