For maintained pressure at higher flow rates, you need one of our Right Pump 1.5 bar shower pumps. The centrifugal impeller means these pumps offer an extra boost to your shower/system, and are quiet with it.

Formerly known as ESP 55 CPV, Salamander Pumps has Right Pump 55SU pumps available today.

This premium single ended pump will quietly and efficiently boost the hot or cold water supplies to a wash basin, bath and kitchen taps in a negative or positive head, gravity fed installation. 

  • Quiet - only 49.5dBA*
  • Patented technology
  • AV couplers included
  • Continuously rated motor - runs as long as it needs to

*Independently tested.  Contact us for more information.

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Ensure the product you purchase is correct for your region to avoid invalidating the warranty.  This pump is not suitable for installation in the Republic of Ireland.

This product was formerly known as ESP 55 CPV.

The RP55SU pump is a 1.5 bar single centrifugal shower pump suitable for boosting hot or cold water performance in a gravity fed, negative or positive head system. This pump can be used with a variety of applications, including a single wash basin, bath and kitchen taps. It is also suitable for hot water to showers or mixers when the cold is from the mains water. AV couplers with isolating valves are included.

Our full range of Right Pump Universal pumps are protected by the following patent: Low Water Starvation Protection - GB2402444B

Guarantee 3 years
WRAS Approval  1810090
Pump Type Centrifugal
Noise 49.5dBA*
Mechanical Seal Nitrile/Carbon/Ceramic
Anti-vibration feet Yes
Inlet isolators Yes
Flexible Hoses 2
Pressure @ closed head 1.5 bar
Pressure @ 8lpm 1.4 bar
Pressure @ 16lpm 1.3 bar
Maximum water Temperature 65°C
Pump connections 3/4" BSP
Pressure vessel air pre-charge 12 psi
Hose connections (UK model) 3/4" female x 22 mm push-fit x 280 mm long, isolating valves on all hoses  
Hose connections (ROI model) 3/4" female x 21mm push-fit x 280 mm long, isolating valves on all hoses
Motor type A.C Induction
Motor duty rating Continuously rated
Power supply 230V
Current (full load) 1.10 amps
Power consumption 245 watts
Fuse rating 3 Amps
Power cable (pre-wired) 1.5 metres
Enclosure protection (IP rating) IPX2
Length 249 mm
Width 148 mm
Height (Excluding hoses) 317 mm
Weight (Excluding hoses) 6.36kg


*Independently tested. Contact Salamander Pumps for more information. 


Conventional shower
Electric showers via cold water break tank
Massage function
Multi-function shower
Single/multipoint water heaters via cold water break tanks
Toilet Cistern
Wash basin
Washing machine
Whole house appliances

Technology inside


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