Simrad ST800 Plastic TH – Reliable Transducer for DT800

Introduction

The Simrad ST800 Plastic TH for DT800 is a crucial component for boaters and marine engine operators who rely on accurate depth readings and sonar performance. Designed as a thru-hull transducer, this unit delivers reliable data for fishfinders and depth sounders, enhancing navigational safety and fishing efficiency.

Built to withstand the harsh marine environment, the Simrad ST800 Plastic TH offers high durability, ease of installation, and compatibility with the DT800 series, making it a top choice for vessels of various sizes. Understanding its features, installation process, and maintenance will help maximize your boat’s performance.

Overview / What Is Simrad ST800 Plastic TH For DT800

The Simrad ST800 Plastic TH is a thru-hull transducer specifically designed for the DT800 series depth sounders and fishfinders. It transmits and receives sonar signals beneath the waterline, allowing accurate depth measurement and underwater object detection.

This plastic-housing transducer is corrosion-resistant and built to endure long-term marine exposure. It is engineered to fit through the hull of fiberglass and wooden boats with ease, offering a cost-effective alternative to bronze or metal transducers while maintaining excellent performance.

Key Features of Simrad ST800 Plastic TH

• Thru-Hull Design: Mounted permanently through the boat’s hull for precise underwater signal transmission.
• Durable Plastic Housing: Resistant to corrosion and marine growth, extending operational life.
• Compatibility: Perfectly matches the Simrad DT800 fishfinder series.
• Depth Range: Capable of accurate readings from shallow to deep waters.
• Low Maintenance: Designed for long-lasting performance with minimal upkeep.

How to Install Simrad ST800 Plastic TH For DT800

Installing the Simrad ST800 Plastic TH involves careful hull preparation, sealing, and wiring to ensure watertight integrity and optimal sonar performance. Proper installation is key to avoid leaks and signal interference.

Begin by selecting an appropriate mounting location on the hull’s flat bottom surface, free of turbulence or propeller wash. Drill the required hole according to the manufacturer’s specifications and insert the transducer with marine-grade sealant.

Connect the transducer cable to your DT800 unit, making sure to secure and protect the wiring against abrasion or water intrusion. After installation, calibrate the depth sounder to the specific characteristics of your vessel and transducer for best results.

Maintenance Tips

Maintaining your Simrad ST800 Plastic TH transducer ensures consistent depth readings and extends the product’s lifespan. Inspect the transducer periodically for marine growth, damage, or loose fittings.

Clean the transducer face gently using a soft cloth and fresh water to remove algae or barnacles, which can interfere with sonar signal transmission. Avoid harsh chemicals or abrasive materials that could scratch the sensitive surface.

• Check the mounting seal annually and reapply marine sealant if necessary to prevent leaks.
• Inspect and protect cable connections from chafing or corrosion.
• Store the boat properly during off-season to minimize fouling and mechanical damage.

Expert Advice and Pro Recommendations

Experts recommend choosing the Simrad ST800 Plastic TH for its balance of affordability, durability, and reliable performance. For boat owners using the DT800 series, this transducer ensures consistent depth sounder readings, critical for safe navigation and fishing.

Pairing this transducer with compatible Simrad displays and sensors optimizes your electronics setup. Keep your system’s firmware updated and schedule regular professional inspections for electrical integrity and transducer condition.

Buy now: Simrad ST800 S/T Plastic TH For DT800 and apply the code WELCOME5 for 5% off your purchase.

Simrad ST800 Plastic TH Troubleshooting and Common Issues

Despite its durability, users may encounter issues such as inconsistent depth readings, signal loss, or display errors. These problems often stem from improper installation, damaged cables, or fouling on the transducer face.

To troubleshoot, first verify all cable connections are secure and corrosion-free. Inspect the transducer for physical damage or marine growth and clean if necessary. Recalibrate your DT800 unit and ensure the transducer is properly mounted without air gaps or misalignment.

Regular software updates for your fishfinder can resolve communication glitches and improve compatibility. In persistent cases, consider professional diagnostic services or replacement.

Cost and Durability Considerations

The Simrad ST800 Plastic TH provides a cost-effective transducer option without sacrificing durability. Plastic housing offers resistance to corrosion and marine growth at a lower price point than bronze counterparts.

Though plastic transducers may require slightly more frequent cleaning, their ease of replacement and installation make them popular among boaters looking for performance and value. When assessing cost, factor in installation expenses and periodic maintenance to maximize return on investment.

Benefits of Thru-Hull Transducers for Boats

Thru-hull transducers like the Simrad ST800 Plastic TH offer superior sonar performance compared to transom mounts because they provide uninterrupted contact with the water, minimizing air bubbles or turbulence interference.

This results in more accurate depth readings, better fish target separation, and improved bottom tracking. For serious anglers and navigators, thru-hull transducers enhance safety and fishing success.

Detailed FAQ Section

What is the Simrad ST800 Plastic TH transducer used for?

The Simrad ST800 Plastic TH transducer is used to send and receive sonar signals through the hull of a boat to provide accurate depth measurements and underwater imaging. It works in tandem with the Simrad DT800 depth sounder and fishfinder series, allowing boaters to safely navigate waters and locate fish with precision. Its thru-hull design ensures consistent contact with water, minimizing signal loss common with other mounting types. This makes it an essential device for fishermen and recreational boaters seeking reliable sonar data.

How do I install the Simrad ST800 Plastic TH transducer on my boat?

Installing the Simrad ST800 Plastic TH requires drilling a precise hole in the boat’s hull and sealing the transducer securely to prevent leaks. The mounting location should be on a flat, smooth surface on the hull’s bottom, away from turbulence caused by the propeller or rudder. Marine-grade sealant or epoxy is applied to create a watertight bond. After mounting, the cable must be routed inside the boat and connected to the DT800 unit. Calibration and testing follow to ensure proper operation. While DIY installation is possible, professional installation is recommended for best results and safety.

What maintenance is needed for the Simrad ST800 Plastic TH transducer?

Maintaining the Simrad ST800 Plastic TH involves periodic inspection and cleaning to ensure optimal sonar performance. Marine growth like algae or barnacles can build up on the transducer face, blocking sonar signals. Cleaning with fresh water and a soft cloth is advised; avoid abrasive cleaners. Check mounting seals annually to prevent water intrusion and inspect cables for wear or corrosion. Proper storage during off-season helps reduce fouling and mechanical damage. Regular maintenance prevents inaccurate depth readings and prolongs the life of the transducer.

Can the Simrad ST800 Plastic TH be used on all boat types?

The Simrad ST800 Plastic TH is designed primarily for boats with fiberglass or wooden hulls that can accommodate thru-hull transducers. It is not recommended for metal hulls, as sonar signals do not transmit well through metal. For metal hull boats, alternative mounting options like transom or in-hull transducers may be more suitable. Always verify your boat’s hull material and consult with marine electronics professionals to ensure compatibility before purchase and installation.

What are common issues with the Simrad ST800 Plastic TH and how to fix them?

Common issues include inconsistent depth readings, signal dropout, or no sonar return. These problems often result from fouling on the transducer face, damaged cables, or improper installation. Cleaning the transducer regularly to remove marine growth often resolves signal problems. Inspecting and repairing cable connections can fix intermittent or lost signals. If the transducer is installed incorrectly—such as not sealed properly or placed in a turbulent area—relocation or reinstallation may be necessary. Firmware updates to the DT800 unit can also help resolve software-related issues. Persistent problems require professional evaluation or replacement.

Conclusion

The Simrad ST800 Plastic TH for DT800 is a reliable, durable, and cost-effective transducer solution for boat owners needing accurate depth and sonar data. Its thru-hull design provides consistent underwater signal transmission, vital for safe navigation and productive fishing trips.

By following proper installation, maintenance, and troubleshooting practices, boaters can maximize the performance and lifespan of this transducer. For those using the DT800 series, this transducer ensures seamless integration and dependable operation in diverse marine conditions.

Special Offer

WELCOME5 – Get 5% off storewide at allboatsupplies.com

🚀 Instant Assistance: Need help selecting the right product? Drop your contact in the chatbox at the bottom right corner, and our expert team will reply within 30 minutes with the best product suggestion for your boat — including a ready-to-use checkout link. We’re fast, knowledgeable, and always here for your boating needs!

No more guesswork — just message us and get a personalized checkout link for your antifouling system, fast!

Explore Our Best-Selling Ultrasonic Antifouling Products:

Buy now

Simrad ST800 S/T Plastic TH For DT800

Let us handle the hassle — expert support, quick replies, and smooth checkout. Your boat deserves the best.