This premium 3.6 bar single ended pump will quietly and efficiently boost the hot or cold water supplies to your shower, wash basin, bath and kitchen taps in a negative head or positive head, gravity fed installation. 

Salamander Pumps’ Right Pump 120SU pumps, which were previously known as ESP120 CPV, are available today.

For maintained pressure at higher flow rates, you need one of our Right Pumps. The centrifugal impeller means these pumps offer an extra boost, and are quiet with it too.

  • Quiet - only 51.5dBA*
  • Patented technology
  • AV couplers included
  • Continuously rated motor - runs as long as it needs to

*Independently tested.  Contact Salamander Pumps 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 ESP120 CPV.

The RP120SU pump is a 3.6 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 single wash basin, bath and kitchen taps. It is suitable for hot water to showers or mixers when the cold is from the mains water as well.

This pump is also suitable to supply a combi boiler system from a cold water break tank or a set of two pumps to supply an unvented system, again via a cold water break tank.

 AV couplers with isolating valves are included.

Our full Right Pump Universal range is protected by the following patent: Low Water Starvation Protection - GB2402444B.

Guarantee 3 years
WRAS Approval  1810090
Pump Type Centrifugal
Noise 51.5dBA*
Mechanical Seal Nitrile/Carbon/Ceramic
Anti-vibration feet Yes
Inlet isolators Yes
Flexible Hoses 2
Pressure @ closed head 3.6 bar
Pressure @ 8lpm 3.4 bar
Pressure @ 16lpm 3.15 bar
Maximum water Temperature 65°C
Pump connections 3/4" BSP
Pressure vessel air pre-charge 34 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) 2.40 amps
Power consumption 565 watts
Fuse rating 3 Amps
Power cable (pre-wired) 1.5 metres
Enclosure protection (IP rating) IPX2
Length 297 mm
Width 148 mm
Height (Excluding hoses) 317 mm
Weight (Excluding hoses) 7.03 kg


*Independently tested. Contact Salamander Pumps for more information. 


Combination boilers via cold water break tank
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
Unvented cylinders via a cold water break tank
Victorian can
Wash basin
Washing machine
Whole house appliances

Technology inside


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