Gemini Electric Monitor 4" flange x 2.5" NH outlet12V Monitor and Logic Box only

The 3479 Gemini Electric Monitor is constructed of Pyrolite with a compact split waterway designed with cast-in turning vanes. The Gemini Monitor provides high performance and exceptional durability.

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Starting at $14,089.00 MSRP
All prices listed are the manufacturer’s suggested retail price, also referred to as "List Price", and are for U.S. domestic resale and exclude any: Local, State and/or Federal sales and excise taxes; International Tariffs and Taxes; and Shipping. Final price will be set by retailer. All prices, terms and conditions are subject to change without notice. Special Orders - Akron Brass produces many items to specification that are not carried in stock; after an order in this category has been accepted and placed in the process of manufacturing, no cancellations will be accepted.
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Gemini Electric Monitor 4" flange x 2.5" NH outlet12V Monitor and Logic Box only

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- 135° vertical travel and 348° horizontal travel, both with adjustable stops
- Manual override
- 12 or 24 volt (24 volt version CE approved - Must specify)
- Wireless remote control available


Style 3479
Weight 46 lbs (20.8 kg)
Type Electrical
Material Pyrolite
Brand Gemini
Width 13.25in (336.6mm)
Height 20in (508mm)
Depth 10.19in (258.83mm)

3479 Gemini Electric Monitor Specifications

The 1000gpm rated monitor is to be an all electric split waterway monitor constructed of lightweight Pyrolite with a 150-pound flange or NPT threaded inlet shall be provided. The outlet shall be a 2.5" threaded outlet with cast-in turning vanes in each elbow and friction loss not to exceed 10 psi at 1000 gpm and also equipped with a pressure gauge. The monitor shall have fully enclosed motors and gears with manual overrides for both horizontal and vertical rotation. The manual overrides shall have captive cranks, one for horizontal and one for vertical rotation, and may be used simultaneously. The monitor is not to exceed 20" high and 13 1/4" wide. The outlet vertical rotation shall be from 45° below to 90° above horizontal with adjustable stops. The adjustable horizontal rotation stops shall be preset at 90° left and right of center and a rotation of 348° shall be possible. The electronic control system shall include two multi-pin connectors for the monitor and apparatus interface and have an IP65 rated enclosure with pressure equalization device. The electronic control system shall be capable of communicating on the J1939 CAN bus system and have nine digital inputs and three digital outputs that can be used for monitor control. The electronic control system shall have a bi stable electro-mechanical relay provision for a second deployed indicator light in the apparatus cab. Each operator interface shall control the vertical and horizontal position of the monitor, and the pattern of the nozzle using toggle switches or membrane type push buttons. The operator interface will also have a toggle switch or membrane type push buttons to command the monitor into a user programmed stowed or deployed position. The operator interface shall have an LED light or alphanumeric display to indicate when the monitor is deployed and provide codes for system diagnostics.

Access Drawings for Engineers

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Name Type

Installation and Service Documents

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Name Sheet #
Part List View File Style 3479 Technical Service Parts List 117866
Manual View File Style 3479 Installation Operating and Maintenance Instructions 117879

Performance Content

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Name Type

Software Updates and Downloads

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Type Description Instructions Version Updated File

Product Updates and Media Files

Description Type Size
View File Style 3479 U2 Order Form - Gemini Monitor View File 538.69 KB
View File Nozzle Monitor Compatibility Chart for Municipal Montiors View File 454.31 KB
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