Product Description
Hardy 1403969 Marquis LWT Trout Regulator Button
The Hardy 1403969 Marquis LWT Trout Regulator Button is the external adjustment knob for the classic click-and-pawl drag system. This precision-machined component allows anglers to fine-tune the tension of the check spring, providing a range of resistance from a light free-spool to a firm "click" for protecting light tippets.
Crafted in Alnwick, England, this regulator button is designed with the iconic Hardy knurled edge, ensuring a non-slip grip even when your hands are wet or cold. Replacing a damaged or lost button restores the full functionality and tactile elegance of your Marquis LWT reel, ensuring you have total control over the overrun resistance during a fight.
Product Specifications
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Part Name: Regulator Button / Drag Adjustment Knob
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Manufacturer Part Number (MPN): 1403969
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Material: High-grade aluminum alloy with a polished finish.
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Series: Marquis LWT (Lightweight Trout)
Models This Part Fits
The 1403969 Regulator Button is sized specifically for the trout models within the modern Marquis LWT series. It is a direct OEM fit for:
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Hardy Marquis LWT 4
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Hardy Marquis LWT 5
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Hardy Marquis LWT 6
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Hardy Marquis LWT 7
Technical Note: While this button is designed for the modern LWT series, it follows the heritage design of the original Marquis. To confirm compatibility with vintage "Made in England" Marquis reels, please verify the thread pitch and dimensions using the PDF schematics at www.reelschematic.com.
Key Features
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Precision Adjustment: Features fine-pitch internal threads that allow for micro-adjustments to the internal check spring tension.
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Ergonomic Knurling: The deep-textured edge provides a secure grip for on-the-fly adjustments while wading or in adverse weather.
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Heritage Aesthetic: Finished to match the classic look of the Marquis frame, preserving the professional appearance of your gear.
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Corrosion Resistance: Marine-grade alloy construction prevents the button from seizing or oxidizing in humid environments.
Maintenance & Lubrication
Because the regulator button is an external part that threads into the frame, it is highly susceptible to salt or grit buildup which can lead to "frozen" threads. We recommend using Deuthlon high-performance lubricants:
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Thread Protection: Apply a light film of Deuthlon Power Grease to the internal threads of the button before installation. This acts as a waterproof barrier and anti-seize agent, ensuring the knob turns smoothly for the life of the reel.
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Detent Smoothness: If your regulator has a click-detent, a single drop of Deuthlon Reel Gear Oil on the contact point will provide a crisp, clean feel and reduce wear on the internal spring.

