Description
Infratech WD-Series 39-inch Dual Element Marine-Grade 316 Stainless Steel Heater Review
For your home or place of business, do you require an effective electric heater? Now on the market is the Infratech WD-Series 39-inch Dual Element Marine-Grade 316 Stainless Steel Heater. easily accessible at Flame Authority

* Ready to Ship * Proudly Made in the USA * Fastest Delivery *
“WD” Series Marine-Grade Heaters – Dual Element
Click here for direct replacement of WD-5024
Click here for direct replacement of WD-5048
Click here for direct replacement of WD-5027
Anti-corrosive 316 stainless steel, marine-grade durability for even longer-lasting performance in coastal, alpine, windy, humid and other demanding environments.
Dual Element, provides more concentrated heat for recessed installations, large scale coverage needs and spaces with 8-14 foot mounting heights, typically installed w/solid state controls to vary the electric load for comfortable heat in a wide range of conditions, may be installed with duplex/stack switches for effectively a half or full power operation.
Marine-grade durability. For even longer-lasting performance. Choose Infratech’s new Marine UpGrade corrosion-resistant 316 stainless steel construction — and extend the lifespan of your Infratech heater in climates with exposure to extreme elements.
Features:
- Dual Element
- Minimal Clearance Requirements
- Recessed Mounting Options
- Mounting Heights Between 8-14 Feet
- Compatible with Solid State Controls for Larger-Scale Residential or Commercial Use
Purchase Infratech WD-Series 39-inch Dual Element Marine-Grade 316 Stainless Steel Heater today. Available here at Flame Authority, your trusted dealer!
Manuals
Manuals:
- Comfort Heat Catalog
- Marine UpGrade Sell Sheet
- Solid State Controls
- Controls Brochure
Need assistance? Talk to an Expert at +1-800-923-4556 or email: support@flameauthority.com to get the best-suited Marine Grade Heater for your needs.
Specifications
Specifications:
- Length: 39″
- Watts:
- 4,000W
- 5,000W
- Volts:
- WD-4024 – 240V 16.7 Amps
- WD-4028 – 208V 19 Amps
- WD-4048 – 480V 8.3 Amps
- WD-4027 – 277V 14 Amps
- WD-5024 – 240V 20.8 Amps
- WD-5028 – 208V 24 Amps
- WD-5048 – 480V 10.4 Amps
- WD-5027 – 277V 18 Amps
- Weight: 14 lbs.
- Material: 316 Marine-Grade Stainless Steel
- Durability: Anti-Corrosion
- Configuration: Recessed Mounting
- Mounting Height: 8-14 feet
- Control:
- Solid State Controls
- Duplex/Stack Switches
Solid State Control Packages
Solid State Control Packages:
- Energy efficiency – including timer functions, control versatility, and ease of use.
- The ability to adjust heating intensity, to achieve the ideal comfort for your space.
- Zone Heating – the capability to control one or more heaters to heat specified target areas within a large-scale space with a single touch.
- The Solid State Relay Panel and Zone Analog Controller with timer work together, and are project specific.
- Electrical wiring diagrams provided for each installation.
30-4045 1 Zone Analog Controller w/ Digital Timer

30-4046 2 Zone Analog Controller w/ Digital Timer

30-4047 3 Zone Analog Controller w/ Digital Timer

30-4048 4 Zone Analog Controller w/ Digital Timer

All Zone Analog Controllers also available in white
Solid State Relay Panel
For use in conjunction with zone analog controllers
- 30-4051 1 Relay Panel
- 30-4052 2 Relay Panel
- 30-4053 3 Relay Panel
- 30-4054 4 Relay Panel
- 30-4055 5 Relay Panel
- 30-4056 6 Relay Panel
Note: Relay Panels requiring more than six relays are also available by special order. Please contact us for details.

Duplex / Stack Switches
Duplex / Stack Switches:
Infratech’s Duplex/Stack Switches offer user-friendly operation for dual element heaters that’s compatible with any budget. They are available in different configurations to meet the needs of your space.
In Wall Duplex / Stack Switches for Indoor or Protected Outdoor Areas
- 14-4300 Single Duplex Switch Wall Plate & Gang Box 20 Amp Per Pole
- 14-4305 Dual Duplex Switch Wall Plate & Gang Box 20 Amp Per Pole


In Wall Duplex/Stack Switches with Weather Proof Cover for Exposed Exterior Areas
- Single Duplex Switch Surface Mount & Gang Box 20 Amp Per Pole
- Dual Duplex Switch Surface Mount & Gang Box 20 Amp Per Pole


Surface Mount Duplex/Stack Switches Weather Proof Cover for Exposed Exterior Areas
- Single Duplex Switch Surface Mount & Gang Box 20 Amp Per Pole
- Dual Duplex Switch Surface Mount & Gang Box 20 Amp Per Pole


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