SP1U-Upgrade to SP21S

SP1U-Upgrade to SP21S


SP1U Upgrade Manual Shower Power Booster Pump without Power Supply:

  • WRAS Approved
  • For use inline with existing Shower Power Booster to provide double boost
  • DIY install in 3 easy steps
  • Safe 12V DC – no electrician needed!
  • Uses 5% energy of conventional pumps
  • Unique patented & award-winning design
  • 2 year warranty & 30 day return policy (3 year warranty £10 per home)
  • British designed & made

Applications include:

  • Gravity-fed hot and cold (to double boost hot as part of 3 pump set)
  • Gravity-fed hot & mains fed cold water systems (double pressure boost hot)
  • Combi boilers and electric showers (double pressure boost)
  • Replacement for SP1


Contained in box:

  • 1 x Shower Power Booster manual water pump
  • 1 x Fitting attachments for 22mm or 15mm diameter pipe
  • 1 x 3-way power cable (to link power supply)
  • 1 x Installation guide & instructions