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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27
For Your Every Summer RSVP, with Code: SUMMER15
Description
Tamarack Ground Mount Kit | 3 or 4 Modules/Column | 170 MPH Wind, 70 psf Snow | UL 2703 | UPS ShippableSave time and money on your next ground mount solar install with Tamaracks low cost, rail based Ground Mount Kits. Built with heavy duty 3. 1 mill finish aluminum rails, these kits deliver a strong, clean install with best in class wire managementwhile keeping shipping simple (UPS shippable) and costs transparent. Key Features & Benefits: Heavy duty 3. 1 mill finish aluminum rails for long lasting outdoor performance Rated up to 170 MPH wind and 70
Save time and money on your next ground mount solar install with Tamarack’s low-cost, rail-based Ground Mount Kits. Built with heavy-duty 3.1 mill-finish aluminum rails, these kits deliver a strong, clean install with best-in-class wire management—while keeping shipping simple (UPS-shippable) and costs transparent.
Key Features & Benefits:
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Heavy-duty 3.1 mill-finish aluminum rails for long-lasting outdoor performance
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Rated up to 170 MPH wind and 70 psf snow load (site conditions apply)
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UL 2703 Listed components with Class A Fire Rating for Type 1 & 2 modules
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Best wire management: PV cables + module-level electronics wiring fit inside rails
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DIY-friendly, rail-based design for faster installs and clean cable routing
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Expandable array: combine kits for arrays up to 100 ft long
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UPS-shippable for easier delivery and economical shipping
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PE Certified: pre-stamped engineering letters available for most states
Module Compatibility / Fit:
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Fits module frame thickness 30mm–40mm
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Deeper frames supported with 50/50+ mounting clamps (Item 89907, sold separately)
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Max module width: 46.16" (3-module kits) / 45" (4-module kits)
Choose your configuration by Modules per Column and Post Count:
3 Modules per Column (140")
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91450-A – GM Kit A (for 4 posts): (4) 70" rails, (4) 2" pipe caps, (2) splices, (4) pipe mounts, (8) 50/50 clamps, (4) end caps, (8) module lead clips, (1) ground lug
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91467-A – GM Kit B (for 2 posts): (4) 70" rails, (2) 2" pipe caps, (2) splices, (4) pipe mounts, (8) 50/50 clamps, (4) end caps, (8) module lead clips, (1) ground lug
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91474-A – GM Kit C (for 0 posts): (4) 70" rails, (2) splices, (4) pipe mounts, (8) 50/50 clamps, (4) end caps, (8) module lead clips, (1) ground lug
4 Modules per Column (186")
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90798-A – GM Kit A (for 4 posts): (4) 93" rails, (4) 2" pipe caps, (2) splices, (4) pipe mounts, (10) 50/50 clamps, (4) end caps, (8) module lead clips, (1) ground lug
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90804-A – GM Kit B (for 2 posts): (4) 93" rails, (2) 2" pipe caps, (2) splices, (4) pipe mounts, (10) 50/50 clamps, (4) end caps, (8) module lead clips, (1) ground lug
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90835-A – GM Kit C (for 0 posts): (4) 93" rails, (2) splices, (4) pipe mounts, (10) 50/50 clamps, (4) end caps, (8) module lead clips, (1) ground lug
Add-On Variant: 3.1 Rail Extension Kit (9" Rails with Splices)
Need a little extra rail length for Tamarack mounts? Choose the 3.1 Rail Extension Kit (9" Rails with Splices)—a 9-inch rail extension designed for TTP-A and Ground Mount systems.
Max Module Width (with this Extension Kit):
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TTP-A-3 & TTP-A-6 Mounts: up to 46" module width
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3-Module Ground Mounts: up to 46" module width
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4-Module Ground Mounts: up to 47.5" module width
Installation Notes (Rail Splice Assembly):
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Rail splice arrives partially assembled with one end inserted 5" into the 9" rail, secured by (1) bolt + channel nut
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Slide the second rail section over the splice until it contacts the first rail section, then install the second bolt + channel nut
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Tighten both bolts to 144 in-lbs (12 ft-lbs)
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If a locking bolt interferes with mid-clamp placement, it can be loosened and moved slightly during module installation
What’s Not Included (Required Separately):
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Concrete and/or Ground Screws
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2" Schedule-40 Pipe
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Swivel Tees for cross-bracing (if needed)
Cross-Bracing (When Required):
Some site conditions require cross-bracing. Use:
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90699 – Swivel Tee (2" tee fitting): use (1) per vertical post when bracing is required
Sites with ground slope greater than 15° may require additional engineering certification.
User Manual / Documents:
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy