Product Overview

The Flojet Par-Max HD3 Series 4-Chamber Demand Pump - 12V is a reliable, self-priming diaphragm pump designed to provide a consistent water supply for a wide range of mobile and off-grid applications. Ideal for agricultural sprayers, caravans, motorhomes, boats, utility vehicles and water transfer systems, this heavy-duty demand pump automatically starts and stops as water is required.

Featuring a durable four-chamber diaphragm design, the pump delivers a maximum flow rate of 15.1 litres per minutewith a 2.8 Bar (40 PSI) pressure switch setting. The integrated pressure switch and internal bypass provide smooth, quiet operation while reducing pump cycling and extending service life.

Manufactured with a robust glass-filled polypropylene housing, Santoprene diaphragm and EPDM check valves, the Flojet Par-Max HD3 is built to withstand demanding environments while providing dependable performance.

Key Features

• Genuine Flojet Par-Max HD3 4-Chamber Demand Pump
• 12 Volt DC operation
• Maximum flow rate of 15.1 litres per minute
• 2.8 Bar (40 PSI) pressure switch setting
• Four-chamber diaphragm design for smooth water flow
• Heavy-duty coated motor for improved durability
• Integrated sealed pressure/demand switch
• Internal bypass reduces pump cycling
• Self-priming up to 2.4 metres
• Can run dry without damage
• Quiet and efficient operation
• Santoprene diaphragm for long service life
• EPDM check valves for excellent chemical compatibility
• Glass-filled polypropylene pump housing
• Quick Connect ports with 1/2" hose barb fittings
• Suitable for water temperatures from 4°C to 60°C
• Intermittent duty operation

Technical Specifications

Why Choose This Product?

The Flojet Par-Max HD3 is engineered for dependable water delivery where mains water is unavailable. Its four-chamber design provides smoother flow and quieter performance than traditional three-chamber pumps, while the integrated pressure switch automatically controls operation whenever a tap or spray gun is opened or closed. Built with premium materials and designed for reliability, it is an excellent choice for professional mobile water systems, agricultural equipment, marine installations and leisure vehicles.

Order Now

For genuine Flojet pumps, replacement parts and expert technical advice, contact:

Flowjet Cleaning Equipment LTD
Unit 4, Gatebeck Farm
Gatebeck, Kendal
LA8 0HW
United Kingdom

Tel: 015395 66193
Email: sales@flowjet.co.uk