Roadmaster 794 Hy-Power Diodes – 4 Pack | 85 Amp | For RV to Flat Tow Connections Without Variable Voltage | Aluminum Heat Sink & Epoxy Case
Roadmaster 794 Hy-Power Diodes – 4 Pack | 85 Amp | For RV to Flat Tow Connections Without Variable Voltage | Aluminum Heat Sink & Epoxy Case is backordered and will ship as soon as it is back in stock.
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Description and Details
Description and Details
The Roadmaster 794 Set of 4 Hy-Power Diodes allows safe and efficient electrical connection between your RV and flat-towed vehicle—preventing electrical feedback that could damage your vehicle’s lighting or control systems. Designed specifically for vehicles without variable voltage wiring, these heavy-duty diodes ensure reliable, interference-free lighting operation during towing.
Each diode features an 85-amp rating, aluminum heat sink, and epoxy-sealed case for superior heat dissipation and durability in demanding environments. The Roadmaster 794 Hy-Power Diodes are ideal for RVs towing vehicles with standard incandescent or non-variable voltage lighting, offering years of reliable performance and protection.
Key Features:
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Brand: Roadmaster
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Part Number: 794
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Set of 4 Heavy-Duty Hy-Power Diodes
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For vehicles without variable voltage lighting systems
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85 Amp rating for high current capacity
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Aluminum heat sink for heat management
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Epoxy-sealed case for moisture and vibration resistance
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Protects both RV and towed vehicle electrical systems from backfeed
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Durable, corrosion-resistant, and easy to install
Applications:
✔ Designed for RV to flat-towed vehicle electrical connections
✔ Compatible with incandescent and non-variable voltage lighting systems
Keep your towing setup safe and your electrical systems protected with Roadmaster Hy-Power Diodes (Part #794)—built for long-lasting performance and dependable reliability.
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Product Disclosure – Scenic City Supply
Scenic City Supply is an independent liquidation company. We are a secondary seller of products and are not affiliated with, sponsored by, or authorized by any product manufacturer. All trademarks, brand names, model numbers, and logos mentioned are the property of their respective owners and are used strictly for identification and compatibility purposes.
Scenic City Supply’s inventory comes from multiple sources, including but not limited to surplus, liquidation, closeouts, overstock, and insurance-loss merchandise. All products are new, OEM, and unused unless otherwise stated. As a liquidator, some items may show cosmetic imperfections such as tarnish, discoloration, or minor surface wear. These conditions do not affect the function, performance, or integrity of the product.
Packaging may be damaged, show signs of storage, or be replaced for safe delivery. The sale of this product by Scenic City Supply is not subject to the policies of the manufacturer. Any warranty offered by the manufacturer is not available to you as the purchaser. Any applicable warranties or guarantees will be disclosed in writing at the time of sale.
Every item is opened and inspected prior to shipment to confirm quality and accuracy. If you are not fully satisfied with your purchase, you may return it within 30 days in its original packaging for a full refund.

