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home > Raymarine Nylon Depth Thru-Hull f/ST40 > Raymarine Nylon Depth Thru-Hull f/ST40

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Raymarine Nylon Depth Thru-Hull f/ST40Navigating challenging waters demands reliable depth readings, especially on vessels with cramped bilge spaces or shallow underfloor access. This nylon thru hull depth transducer stands out for boaters facing installation hurdles, protruding just a minimal 5 millimeters (3 16 inch) beyond the hull exterior to cut drag and maintain a sleek profile. Ideal for sailboats, smaller cruisers, or any craft prioritizing hydrodynamic efficiency without

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Navigating challenging waters demands reliable depth readings, especially on vessels with cramped bilge spaces or shallow underfloor access. This nylon thru-hull depth transducer stands out for boaters facing installation hurdles, protruding just a minimal 5 millimeters (3/16 inch) beyond the hull exterior to cut drag and maintain a sleek profile. Ideal for sailboats, smaller cruisers, or any craft prioritizing hydrodynamic efficiency without sacrificing precision in depth detection up to 600 feet.

Crafted from durable nylon, it withstands the rigors of marine environments while ensuring seamless integration with legacy Raymarine displays. Boaters appreciate its right-angle cable exit, which tucks neatly away to prevent snags or accidental damage during maintenance or movement below decks.

Standout Features That Enhance Your Boating Experience

Ultra-Low Profile Design: Requires only 153 millimeters of headroom for installation, perfect for boats with tight clearances under floorboards—eliminate retrofit headaches common with bulkier sensors.
Optimized Beam Angles: Delivers a 12-degree fore-aft by 45-degree athwartship beam width, providing accurate bottom tracking across deadrise angles from 7 to 12 degrees. This ensures consistent performance on planing hulls or traditional designs.
235 kHz Frequency: Strikes a balance between high-resolution depth soundings and reliable range, cutting through thermoclines for clearer readings in varied water conditions.
30-Foot Cable with Robust Connectors: Ample length for flexible routing, paired with ISO spade connectors for quick, secure hookups that resist corrosion and vibration.
Depth-Only Functionality: Focused performance without unnecessary complexity, feeding clean data to your instruments for speed, log, or multi-function integration.

These attributes translate to fewer false echoes and sharper bottom discrimination, helping anglers spot structure or navigators avoid shallows with confidence.

Effortless Thru-Hull Installation Tips

Selecting the right spot—typically 1/3 aft from the bow along the keel line—maximizes accuracy. Drill a precise 2-inch hole, bed the housing in marine sealant, and secure with the included nut. The low protrusion minimizes fouling risks from marine growth, extending service intervals. For fiberglass or aluminum hulls, fairing blocks can fine-tune the angle if your deadrise exceeds the supported range, ensuring perpendicular alignment to the waterline for optimal signal return.

Pro Tip: Dry-fit everything before finalizing to avoid misalignment. Pair with an anti-siphon valve if plumbing concerns arise, though this depth-only unit keeps things straightforward.

Seamless Integration and Long-Term Reliability

Engineered for direct compatibility with popular analog instruments, it pairs effortlessly to deliver real-time depth info without adapters or fuss. Expect solid performance across a spectrum of setups, from compact cockpits to expansive bridges.

Seasonal Maintenance for Peak Performance

Wipe the face monthly to remove slime or debris, preventing signal attenuation.
Inspect cable routing annually for chafe, especially near high-traffic areas.
In cold climates, haul out and store dry to avoid freeze damage.
Calibrate post-install via your display's setup menu for waterline offset and keel depth.

Regular care like this keeps readings pinpoint accurate, often outlasting comparable transducers in abrasive conditions.

Why Low-Profile Thru-Hull Beats In-Hull Alternatives

Unlike in-hull mounts that suffer from hull attenuation and reduced sensitivity, this thru-hull design pierces directly into the water column for uncompromised clarity. Its flush-near housing sheds bubbles better during turns or at speed, outperforming pod-style options in choppy seas. For performance-oriented skippers, the drag savings add up to better fuel economy and higher top speeds—subtle edges that matter on long passages.

Frequently Asked Questions

What hull materials work best with this nylon depth transducer?

It performs reliably on fiberglass and aluminum hulls, bonding securely with standard marine adhesives for a watertight seal.

How much headroom does installation require?

Just 153 millimeters from the hull exterior, making it a go-to for boats with limited bilge access.

What's the maximum depth range?

Up to 600 feet, sufficient for coastal cruising, inland lakes, and most offshore ventures.

Does it support angled hulls?

Yes, optimized for deadrise angles between 7 and 12 degrees; use a fairing block for steeper setups.

What cable length is included?

A 30-foot cable provides flexibility for routing to your display or junction box.

Can it handle high-speed planing?

Absolutely, its low-drag profile and wide beam ensure stable readings even at planing speeds.

Is it suitable for saltwater use?

Nylon construction and corrosion-resistant connectors make it rugged for both fresh and saltwater environments.

The P7D depth transducer is designed for boats with limited headroom under the floorboards. The P7D's low-profile housing option is nearly flush to the hull and minimizes drag with only 5 Millimeter (3/16 Inch) extending outside of the hull.

Raymarine E26009 Attributes

Mounting Location: Thru-Hull Mount
Depth: 600 Feet Maximum Depth
Frequency Range: 235 kHz Frequency
Supported Angle: 12/ 45 Degree Beam Width/ 7 To 12 Degree Deadrise Angle
Cable Length: 30 Feet

Raymarine E26009 Features & Benefits

Installs In Tight Spaces With Only 153 Millimeter Of Headroom
Right-Angle Cable Exit Saves Space And Prevents Damage If Stepped On
10 Meter Cable With ISO Spade Connectors
Works With I40, I50, ST40, ST60, ST60+, ITC-5 And Other Analog Instruments
Limited 2 Year Warranty

Raymarine E26009 Warranties

Raymarine-Global-Limited-Warranty-01-Jul-17-rev1-0.pdf

Compatible with the following:

ST40 Instruments

Compatible hull material: Aluminum and fiberglass

Cable: 30ft (10m) Cable

Hole Diameter for installation: 2"

Depth Only

"RaymarineIt is compatible with aluminum and fiberglass hull material. P7 plastic low profile through depth tranducer operates on frequency of 200 kHZ and also includes 30 feet cable. E26009 Features: Through Hull Transducer, Frequencey 200 kHz, Suitable w\/ Aluminum Fiberglass, Depth Transducer, 2 inch Hole Diameter, Includes 30 Ft Cable."
SKU: NVN-25049
MPN: E26009
UPC: 723193260098

Raymarine Nylon Depth Thru-Hull f/ST40

Name: Raymarine Nylon Depth Thru-Hull f/ST40
Brand: www.midwoodautocraft.com
SKU: 14788913647
Price: 95.79 USD
Availability: InStock
Rating: 4.3591 (255 reviews)