Autotrol Magnum

Good Water Warehouses' Autotrol Magnum is a high-flow valve system developed for large residential, commercial and light industrial water treatment systems. Capable of extremely high flow rate and maximum durability, this control valve system offers the solution you need for even the most demanding environments for smooth operation and long service. With the industries highest flow rates up to 76gpm and up to 89 gpm backwash capability, the Autotrol Magnum provides the power and performance necessary for oversized tanks and high-output systems.

Featuring sophisticated electronics, rugged construction and user programmable cycle control, the Asco 8320 Series is designed to provide extended use in demanding applications with minimal maintenance.

Core Features and System Benefits

Durable Construction and Proven Components

• Rugged, corrosion resistant thermoplastic valve body for strength and cool, Uv resistance
• Long-Life EPDM O-rings and Frictionless Duraflow flapper seal system to prevent premature deterioration
• Constructed for outdoor and frequented-use applications

Precision Flow Control Intelligent Programming

Optical sensor for precision cycle positioning of all softener and filter cycles

• Fully programmable flexible 3- or 5-cycle control allows operation on both 3-cycle and 5-cycle loads to achieve full system designs
• History browser Watch logging information for troubleshooting and optimization
• System programming number is saved and is retained in non-volatile memory during a power loss
• Supplied with high performance supercapacitor to keep your clock timing in case of power cut

High-Capacity Flow and Tank Compatibility

• Water Flow Rate: 76 GPM at 15 psi pressure drop
• Backwash: 89 GPM @ 25 psi underdrain pressure drop
• Fits softener and filter tanks up to 36 inches in diameter
• Single or Multi Driver configurations with interchangeable system control

Versatile Installation and Customization Options

The Autotrol Magnum comes with countless connection and control possibilities to fit your process requirements:

• Top or Side Mount Configuration
• Lets you install in your favorite system layout
• Injector Sizes Available
• Select from seven injector sizes 14, 16, 18, 21, 24, 30, 36 accurate chemical metering

Valve Connection Options

• Tank Thread: 4" – 8 UN
• Inlet/Outlet: 2” Female threads (NPT or BSPT), CPVC
• Drain Line: CPVC female (NP or BS), 1-1/2"
• Brine Line: ¾" NPT
• Pilot/Auxiliary Output: ¼" tube fitting

Optional valve-mounted flow controls (5–40 GPM). External flow controls are required for higher backwash rates.

Electrical and Programming Options

• Runs on 12V AC with low avg. power consumption
• Adapt for use in North America, UK, Europe, Australia, Japan, Taiwan, and Korea with optional plug sets

Advanced programming options available

• 742 – Timer Time (Professional AC) 1 – Control valve time clock management (194220 x6 cut gears) with programmable salt and cycle.
• 764 – Fully Programmable Metered Tanks 13 900004 ROTO METER ROTO METER 764 - Programmable Metered Control Multi-Tank Applications

Specifications and Operating Parameters

• Valve Body: Thermoplastic (non-corrosive)
• O-Rings: EPDM rubber
• Working Pressure: 25–100 psi (1.72–6.9 bar)
• Temperature of Water: between 35-100F (2-38C)
• Ambient temp: Up to 120°F (49°C)
• Riser Tube Diameter: 1½"
• Adapter Extension Above Tank: ⅝” ± ⅛”

Flow Ratings:

• Service Cv: 19.5 (Kv = 17)
• Backwash Cv: 17.8 (Kv = 19.9)

Final Words

The Autotrol Magnum, is designed to perform as you would anticipate in high capacity water softening and filtration installations. Featuring the industry's strongest line of flow control options, robust memory features, and expansive end connections, the 205Y series is the ultimate solution for the discreet professional. From extensive residential homes, commercial corporations, to multi-tank industrial plants, the Autotrol Magnum is the leader in control performance and durability in water treatment control.