Smartflow Self Priming. Inlet and outlet size: 3/8" (10mm). Volts : 12V DC. Built-in pressure switch, automatically turns of f without water. Max Flow capacity:6L/MIN(6.0 Liters per minute). To increase the life span of the pump, switch it off for 10-20 minutes after it has run continuously for 1 hours.
eBay
12V Self-Priming Diaphragm Water Pressure Pump 70 PSI 1.1 GPM for Boat RV Caravan Fresh Water System
Aliexpress UK
Self priming, silent running, low power consumption. 1x Diaphragm Water Self Priming Pump. This is a high quality DC micro diaphragm pump. The water pump with a pressure switch will be automatically cut off when the pressure of water outlet is big enough.
eBay
385 DC 6V-12V high temperature resistance 100 degrees Celsius Mini Micro Water Pump diaphragm water pump vacuum pump
Aliexpress UK
Self priming, silent running, low power consumption. 1x Diaphragm Water Self Priming Pump. This is a high quality DC micro diaphragm pump. The water pump with a pressure switch will be automatically cut off when the pressure of water outlet is big enough.
eBay
20 PSI Double Stage Electric Air Pump High Pressure Outdoor Paddle Board Pump for SUP Kayak Air Beds 12V Digital Inflatable Pump
Aliexpress UK
It is capable of working with both hot & cold water Window Cleaning systems. Self-priming pump with integral internal pressure switch. Type: On-demand pump.
eBay
12V 24V 220V Oil Water Dual Purpose Pump Electric Self-Priming Pump Diesel Pump Oil Extractor Pump Water Pump Household Tanker
Aliexpress UK
It is capable of working with both hot & cold water Window Cleaning systems. Self-priming pump with integral internal pressure switch.
eBay
DC 12V Micro Diaphragm Pump Small Water Pump 130 Self suction Pump Pumping Water Absorption Model DIY DC 7.4V-12V
Aliexpress UK
This is by far the best pump to use as a window cleaner. The pump is even strong enough to power two poles via a splitter. Pump Specifications. Baileys WFP Systems are a leading supplier of quality systems, accessories, parts and full system builds for the water fed pole window cleaning industry.
eBay
2-1/2'' Pressure Gauge Water Pressure Test Gauge 3/4'' Vacuum Manometer 200 PSI for Water Pump Air Gas Water Fuel Liquid
Aliexpress UK
Pump, self priming, capable of being run dry. Priming Capabilities 6 feet (1.8 m) suction lift. It provides up to 1.4 gallons per minute. SFDP1-013-100-22 12V 1.3 / 5.0 Demand & Bypass 6.0A 100 / 6.9 EPDM Santoprene 3/8" Barb 2-Pin/Leads.
eBay
1PC Micro 370 Motor Water Pump DC 3.7V/ 6V/ 12V/ 24V Self Priming Diaphragm Water Pump Suction Water Flow Control Pump for Tank
Aliexpress UK
Equipped with a quick plug for easy installation. The pressure switch can automatically turn on and off when you turn the faucet on and off. Therefore, a little water in this pump is normal and will not affect your use.
eBay
12V Agricultural Electric Spray Water Pump Small High-pressure Spraying Pump Self-priming Diaphragm Pump Pesticide Water Pump
Aliexpress UK