Best Diaphragm Pumps Deals Online in the UK (10 Deals Found)

Last Updated - 16/08/2026 Sort By:

Best Choice
LumaBrite

New
LumaBrite Caravan Water Pump 12V 6.0GPM 70PSI RV Diaphragm Water Pump Self-Priming with Heavy Duty Pressure Switch and S
Smooth and Efficient Operation: With a flow rate of 6 GPM and settings up to 70PSI. the LumaBrite 12V water pump providi

£82.99 £85.99
Pindex

New
Pindex 12V 4-Chamber RV Fresh Water Pressure Pump with Pressure Switch 11,3 LPM 3 GPM 55 PSI 3,8 Bar, Automatic Self Pri
SELF PRIMING WATER DAIPHRAGM PUMP: The automatic RV fresh water pump has a power of DC 12V, 55 PSI, 3.8 Bar, 3 GPM 11.3

£59.99
Best Value
Seaflo

New
Seaflo 33 Series DC Diaphragm Pump 12V/24V 3.0GPM 45PSI (12 Volts)
Self-priming.

£64.21 £66.12
zalati

New
zalati High-Pressure Pump DC 12V 6L/min Self Priming Water Pump Automatic Switch for Car Washing Boat Cleaning and Garde
Good Replacement for Your Old Water Pump or use it as Water Pressure Booster, Sprinkler System

£11.99
Seaflo

New
Seaflo 12V 1.2 GPM 35 PSI Water Pressure Diaphragm Pump
Able to supply water to two taps. 2 years warranty.

£23.99
VerRich

New
VerRich 12V Water Pumps Diaphragm Pump 70W 4 L/Min 1GPM 0.9MPA 131 PSI for Faucet Garden(G1/2" 20mm Connector)
VerRich Micro Water Pump Size: L6.3”x W3.94”x H2.36”(16*10*6CM);Working power supply current: 5-6A;Rated power:70W;Gener

£21.99
Seaflo

New
Seaflo 55-Series Diaphragm Pump - 12V DC, 5.5 GPM, 60 PSI with HEAVY DUTY PRESSURE SWITCH
Self priming. 5 chamber diaphragm pump. Built-in pressure switch, it automatically turns on and off as you turn your tap

£97.13
VerRich

New
VerRich 12V Water Pumps High Pressure self Priming Diaphragm Pump with 2 Adjustable Hose Clamp for Motorhome,Caravan
VerRich Micro Water Pump Size: L6.3”x W3.94”x H2.36”(16*10*6CM);Working power supply current: 5-6A;Rated power:70W;Gener

£19.99
MXBAOHENG

New
MXBAOHENG 18L/min Air Operated Diaphragm Pump Pneumatic Double Diaphragm Pump with 1/4" Inlet and 3/8" Outlet for Chemic
Superior Quality and Performance: Pneumatic diaphragm pumps feature reliable quality, long service life, low noise, low

£79.00
VerRich

New
VerRich DC 12V Water Pump with Power Supply Adaptor 100PSI 7 Bar Diaphragm Pump Built in Pressure Switch 4L/Min 1GPM 20m
VerRich Micro Water Pump Size:L6.3”x W3.82”x H2.2”(160*97*56MM);Working power supply current: 5A;Rated power:60W;Working

£29.99

10 Diaphragm Pumps deals are available from: Amazon stores, starting from £11.99.
The biggest discount we found is 3% on Seaflo 33 Series DC Diaphragm Pump 12V/24V 3.0GPM 45PSI (12 Volts) at Amazon.
The lowest price we found is £11.99 while the highest is £97.13.
Prices for the best Diaphragm Pumps deals average at £49.13.
Last updated on August 16, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Diaphragm Pumps.