Best Diaphragm Pumps Deals Online in the UK (24 Deals Found)

Last Updated - 24/09/2026 Sort By:

Best Choice
VeYocilk

New
DC 12V Diaphragm Pump,1GPM 4L/Min Water Pump 3/8" 10mm with Power Supply
【Features】:The Rated power:70W;Protect pressure:131Psi;Pressure Setting:0.9MPA.The Max head&Suction lift:98.5FT& 1.5M.

£26.99 £29.99
lighteu

New
LIGHTEU®, DC 12V 4.3LPM 2,4 bar 21S Self Priming On Demand Water Diaphragm Pump for RV, Yacht, Garden, Camper
【SPECIFICATION】2.4 Bar/35PSI, DC 12V Max 4.0 Amp. Flow rate: 4.3L/Min, 2-chamber. Hose connection 10 mm.

£25.00
New
NEW Graco Husky 1050 1″ Aluminium Air Double Diaphragm Pump 647085
Graco Husky 1050 Aluminium 1″ Air-Operated Double Diaphragm Pump – Part No.

£495.00
Best Value
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

£15.99
New
Air-Operated Diaphragm Pump, Pneumatic Diaphragm Pump, Diaphragm Pump
Specification Material: Aluminum Alloy, PP Color: Black Process: Spraying Style: Modern Installation Required: Yes Inlet

£191.85
Tasofac

New
Oil-Free Diaphragm Vacuum Pump, 10L/min Diaphragm Vacuum Pump with Rubber Hose&Filter, 0.075MPa Negative Pressure Labora
【Oil-Free & Maintenance-Free Operation】Designed with a durable rubber diaphragm and oil-free pumping system, this labora

£136.99
cogguee

New
DC 12V Diaphragm Water Pump 3.2GPM (12 LPM) 145PSI Fresh Water Pump Self Priming Sprayer Pump High Pressure Smart Dual c
The dual-core pump adopts an intelligent pressure switch, which automatically stops after turning off the water gun.

£29.80
New
AQ +Q Diaphragm pump, for water boosting, aquatics, caravan, reverse osmosis
Reverse O PUMP-001- 24Volt 2Amp 100gpd booster pump for RO 200 & 400.

£20.00
Mxmoonant

New
Mxmoonant 12V DC Diaphragm Water Pump,17LPM
【Strong suction and low noise】 Please choose the proper parameter for your caravan to maximise the efficiency of the pum

£75.99
New
Wilden P2 Double Diaphragm Pneumatic Diaphragm Pump Assembly

£516.70
Seaflo

New
Seaflo 33 Series DC Diaphragm Pump 12V/24V 3.0GPM 45PSI (12 Volts)
2 Year Warranty

£64.84
VerRich

New
DC12V Water Pump 100PSI 7 Bar Diaphragm Pump 4L/M 1GPM 20mm G1/2" Fitting
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

£28.49 £29.99
New
Air Operated Diaphragm Pump 20-35L/min Aluminum Alloy for Chemical Paint Water
Its compact construction saves space and allows for easy installation and maintenance.

£191.84
VeYocilk

New
DC 12V Diaphragm Pump,1GPM 4L/Min Water Pump 3/8" 10mm with Pressure Switch
【Features】:The Rated power:70W;Protect pressure:131Psi;Pressure Setting:0.9MPA.The Max head&Suction lift:98.5FT& 1.5M.

£19.99 £21.99
New
CW474 Flowjet Diaphragm Pump 1/2" inlet /outlet Brand New In Box
brand new in box, but the box is tatty less than half price comes with adapters for connections see pictures or ask ques

£146.30
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

£20.99
New
Elga Diaphragm-Pump Model LA648M2 RO Boost Pump 230v New In Box.
Elga Diaphragm-Pump Model LA648M2 RO Boost Pump 230v New In Box.

£600.00
New
HUSKY Graco D5C277 Husky 716 3/4" Air Diaphragm Pump Aluminium USA
Brand new not in original packaging brand new

£363.70
New
Air Operated Double Diaphragm Pump Aluminium Alloy Pneumatic Industrial Fluid UK
Specification Material: Aluminum Alloy, PP Color: Black Process: Spraying Style: Modern Installation Required: Yes Inlet

£196.27
New
Flojet D3131V1311AR 3/8" NPT Duplex II Self-Priming Pump - 6.4 LPM 12v - Totton
Model: D3131V1311AR.

£221.00
New
Flojet D3235E7011A 3/8" NPT Duplex II Self-Priming Pump - 7.6 LPM 24v CLEARANCE
Model: D3235E7011A.

£150.00
New
Air Diaphragm Pump Waste Oil Pump Double Diaphragm Heavy Duty Transfer Pump12GPM
Perfect for Use with Water.

£81.98
New
KNF diaphragm pump, model PML9038-NF 30
KNF diaphragm pump, model PML9038-NF 30

£92.22
New
Flojet D3135B7011AR 3/8" NPT Duplex II Self-Priming Pump - 5.3 LPM 12v - Totton
Flojet D3135B7011AR (Totton) Duplex II Self-Priming Pump 3/8" NPT - 5.3 LPM 12v.

£221.00

24 Diaphragm Pumps deals are available from: Amazon, eBay stores, starting from £15.99.
The biggest discount we found is 10% on DC 12V Diaphragm Pump,1GPM 4L/Min Water Pump 3/8" 10mm with Power Supply at Amazon.
The lowest price we found is £15.99 while the highest is £600.00.
Prices for the best Diaphragm Pumps deals average at £163.87.
Last updated on September 24, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Diaphragm Pumps.