Chemical Dilution & Proportioners

Enviroflex 4+4

Dual Select Proportioning System

Format	Code
4+4 (DUAL SELECT LO/HI E-GAP)	HYD35771

Overview

The Enviroflex 4+4 Dual Select Lo/Hi E-Gap proportioning system delivers reliable and precise dilution for a wide range of cleaning applications. Built with Hydro Systems’ patented AccuPro Technology, it eliminates dilution variance caused by fluctuating water pressure, ensuring consistent results and reducing chemical waste.

The Enviroflex 4+4 Dual Select dispensing system supports up to 8 different chemistries, i.e. 4 dedicated spray bottle dilutions (1.0 GPM) and 4 mop/bucket dilutions (3.5 GPM) at the same time, allowing one unit to handle multiple cleaning programs across your facility. This reduces the need for multiple dispensers, saves space, and simplifies staff training.

Enviroflex 4+4 dispensing system is ideal for janitorial, food service, healthcare, education, and industrial facilities, being an easy-to-use, durable solution that meets stringent regulatory standards in Canada.

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Approvals & Certifications

Where to use

The Enviroflex 4+4 is the perfect fit for customers looking for safe, accurate and cost-effective dispensing of chemicals, including commercial buildings, janitorial, food service, healthcare, education, and industrial facilities.

How to use

Place tubing and foot valves into chemical concentrate containers.

Turn the selector to choose your product (up to 8 options).

Use the 1.0 GPM button for spray bottles or the 3.5 GPM button for buckets/sinks.

Press and hold to fill, or lock for continuous flow.

Release the button and hang the discharge tube for a clean, organized setup.

Specifications

Format	Code
Colour	Blue/White
System	Dual Select (Quad Dispensing capability)
Flow Rates	1.0 GPM (bottle fill) / 3.5 GPM (bucket fill)
Available Dilution Rate	Up to 17
Back Flow Preventer	E-Gap (ASSE 1055B approved)
Mounting	Wall-mounted with bracket (included)
Tubing Length	7 ft. supply tube per product line
Material	Durable molded plastic housing and components
Safety Certifications	ASSE 1055B Backflow Prevention Approved
Operation Pressure	25–85 PSI (water running)

Features & Benefits

Dispenses up to 8 Different Chemistries, supporting 4 dedicated spray bottle dilutions and 4 mop/bucket dilutions at the same time.

Dual Select Functionality offers both low and high flow options for filling bottles, buckets, or sinks, maximizing flexibility in cleaning tasks.

AccuPro Technology ensures precise dilution control, preventing overuse or underuse of chemicals, thereby saving costs and improving cleaning consistency.

E-Gap Backflow Protection provides ASSE 1055B-approved protection through an elastomeric sleeve, safeguarding the water supply from chemical contamination.

Multiple Flow Rates supporting 1.0 GPM (bottle fill) and 3.5 GPM (bucket fill) applications, optimized for speed and accuracy.

Easy Installation & Maintenance with a simple wall-mount design, tool-free servicing, and quick-change metering tips reduce downtime.

Durable Design built for daily heavy-duty use with over 30 years of Hydro Systems’ dispensing expertise.