COMPATIBLE WITH STANDARD MRCOOL® LINE GUARD SYSTEMS
Fortress® by RectorSeal® Line Set Covers
Industry-leading professional-grade line set cover components trusted by HVAC contractors nationwide. Fortress® parts are fully interchangeable with standard MRCOOL® line guard systems, making repairs, expansions, and custom installations simple.
Professional Grade
MRCOOL Compatible
Paintable Finish
Weather & UV Resistant
Important: Fortress® components are compatible with traditional MRCOOL® line guard kits. They are not compatible with CoverGuard™ series low-profile line set cover systems.
29 Products
Sale
Fortress 4.5" Wall Inlet – LW122W (White) | Lineset Cover Entry Fitting...
In stock
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$29.00
$36.25
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Sale
Fortress 4.5" 90° Flat Elbow – White (84111) | Lineset Cover Fitting...
In stock
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$29.00
$36.25
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Sale
Fortress 4.5" Tee – White (LT122W / 84115) | Lineset Cover Fitting...
In stock
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$48.00
$60.00
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Sale
Fortress 4.5" 45° Flat Elbow – LKF122W (White) | Lineset Cover Fitting...
In stock
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$35.00
$43.75
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Sale
Fortress 4.5" End Fitting – LEN122W (White) | Lineset Cover Termination |...
In stock
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$22.00
$27.50
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Sale
Fortress 4.5" Adjustable Flat Elbow (LD122) – Lineset Cover Fitting | MRCOOL...
Out of stock
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$48.00
$60.00
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Sale
Fortress 4.5" Coupler – LJ122W (White) | Lineset Cover Connector | MRCOOL...
In stock
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$22.00
$27.50
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Sale
RectorSeal Fortress 4.5" Flex Adapter – Gray LD122 Lineset Cover
In stock
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$29.00
$36.25
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Sale
RectorSeal Fortress 4.5" Coupler – Gray LD122 Lineset Cover
In stock
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$16.00
$20.00
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Sale
RectorSeal Fortress 4.5" 90° Flat Elbow – Gray LD122 Lineset Cover
In stock
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$46.00
$57.50
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Sale
RectorSeal Fortress 4.5" Duct – 7.5 Ft Length – Gray LD122 Lineset...
In stock
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$110.00
$137.50
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Sale
RectorSeal Fortress 4.5" 45° In Vertical Elbow – Gray LD122 Lineset Cover
In stock
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$63.00
$78.75
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Sale
RectorSeal Fortress 4.5" 90° Out Vertical Elbow – Gray LD122 Lineset Cover
In stock
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$63.00
$78.75
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Sale
RectorSeal Fortress 4.5" End Fitting – Gray LD122 Lineset Cover
In stock
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$25.00
$31.25
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Sale
RectorSeal Fortress 4.5" Flexible Elbow – Gray LD122 Lineset Cover
In stock
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$95.00
$118.75
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Sale
RectorSeal Fortress 4.5" 90° Sweep Elbow – Gray LD122 Lineset Cover
In stock
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$59.00
$73.75
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Sale
RectorSeal Fortress 4.5" Soffit Inlet – Gray LD122 Lineset Cover
In stock
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$53.00
$66.25
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Sale
RectorSeal Fortress 4.5" Wall Inlet – Gray LD122 Lineset Cover
In stock
Free Shipping on Full Systems*
$46.00
$57.50
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Sale
RectorSeal Fortress 4.5" Flat Elbow (45°–90°) – Gray LD122
In stock
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$47.00
$58.75
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Sale
RectorSeal Fortress 4.5" Vertical Adjustable Elbow (45°–90°) – Gray LD122
In stock
Free Shipping on Full Systems*
$47.00
$58.75
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