The ROP Shop Shurflo 8000-543-936 12V Diaphragm Demand Water Pump — 1.8 GPM, 60 PSI, Santoprene/Viton

The ROP Shop Shurflo 8000-543-936 is a 12V diaphragm demand water transfer pump delivering 1.8 GPM at a 60 PSI switch setting for boosting and portable fluid transfer tasks.

This compact, pre-wired Shurflo pump combines a self-priming diaphragm design, durable Santoprene diaphragm, and Viton valves to handle repeated demand cycles and resist common chemicals. Built to be mounted in any orientation, it is suitable for applications that need reliable pressurized flow from a 12V source — from mobile washing setups to irrigation, sprayers, and auxiliary water systems.

How much flow and pressure does this pump provide?

The pump is rated for a maximum continuous flow of 1.8 gallons per minute and uses a demand switch trimmed to 60 PSI to control run cycles. This balance of flow and pressure is aimed at small-to-medium transfer and boost tasks where steady pressurized output is more important than high-volume delivery.

• Max flow: 1.8 GPM for consistent low-to-moderate duty use
• Demand switch setpoint: 60 PSI for automatic on/off operation
• Operating voltage: 12V DC for battery or vehicle power
• Inlet port: 3/8" FPT for standard hose and plumbing fittings

Can it prime itself and handle dry running?

The Shurflo 8000 series is self-priming for up to eight feet, so it will lift water from a lower source without manual siphoning. It is also designed to tolerate dry running without immediate damage, making it forgiving in intermittent use or when suction conditions change.

• Self-priming capability: up to 8 feet of lift
• Dry-run tolerant construction for intermittent operation
• Suitable for mobile setups where supply may be variable

What materials and connections are used for durability?

Key wet-end parts use Santoprene for the diaphragm and Viton for the valves, chosen for chemical resistance and long service life. The unit ships pre-wired with two molded wire connectors to simplify electrical hookup and reduce installation time.

• Diaphragm: Santoprene for flexibility and durability
• Valves: Viton for chemical and wear resistance
• Electrical: pre-wired with two molded connectors for quick installation

Where is this pump typically used and how do you mount it?

The pump is intended for boosting and transfer jobs such as vehicle-mounted car wash systems, farm and orchard spraying rigs, and other auxiliary water-handling duties. Its compact size and mounting options allow installation in tight spaces and in any orientation to accommodate diverse equipment layouts.

• Applications: car washes, farm spraying, RV/boat water boost, portable transfer
• Mounting: install in any position that fits the plumbing layout
• Includes: one pump unit as shown in the primary product photo

Who is this for: Professionals and DIYers who need a dependable 12V water pump for portable or vehicle-mounted systems will find this Shurflo model useful. It suits operators that require moderate pressurized flow, chemical-tolerant components, and easy electrical hookup for fast installation and reliable intermittent or continuous service.