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Description
Lochinvar Knight XL Natural Gas Commercial Boiler KBX1000N 2022 Cracked Screen (SKU: 112142)Display is broken 30 Day Functional WarrantyShop with confidence! We guarantee all equipment to be fully functional. Your purchase is backed by our 30 Day Warranty, which begins upon confirmed delivery. If the item does not function as described, we will, at our discretion, repair the item, offer a replacement, or issue a refund upon the secure return of the equipment. Shipping & Freight LogisticsFreight Handling: Average handling lead time is 5
Display is broken 30-Day Functional WarrantyShop with confidence! We guarantee all equipment to be fully functional. Your purchase is backed by our 30-Day Warranty, which begins upon confirmed delivery. If the item does not function as described, we will, at our discretion, repair the item, offer a replacement, or issue a refund upon the secure return of the equipment.Shipping & Freight LogisticsFreight Handling: Average handling lead time is 5 business days (varies by item size, carrier used, and shipping location).Freight Inspection (Crucial): For all freight deliveries, the buyer must inspect the shipment for transit damage and NOTATE ANY DAMAGE on the bill of lading. Have the driver initial the bill of lading and take a photo of entire bill of lading. Send the photo of the BOL to your contact at Quantum Technology. Any damage not noted on the bill of lading will not be refunded.Local Pickup: Available for many items. Please note: Palletizing, strapping, or loading assistance is not included with local pickup unless arranged in advance.International Shipping: We ship worldwide either directly or through a freight forwarder! Contact us for a custom freight quote if international checkout is unavailable.Listing Terms & ExclusionsWhats Included: Only the specific items, cables, and accessories shown in the listing photos are included. If it is not pictured or explicitly listed, it is not included.Cosmetic Condition: This is used commercial equipment. Expect minor cosmetic surface scratches, scuffs, or blemishes that do not impact mechanical or electrical performance.Regulatory & Safety Removals: * Generators/Engines will be shipped without batteries and fuel per DOT safety regulations, therefore those items must be purchased separately by buyer. NOTE: there may be some fuel remaining in the tank as allowed by DOT. oServers/Datacenter Gear: Do not include hard drives, software licenses, or operating systems unless explicitly stated.Buyer Responsibility & Liability LimitationsCompatibility: While we guarantee functionality, listing descriptions are for reference only. Buyers are solely responsible for verifying technical compatibility, power requirements, and software integration with an expert prior to purchase.Limitation of Liability: Quantum is not liable for liquidated damages due to shipping delays or equipment failure. Quantums standard warranty applies as shown above. Except for the 30-day warranty stated above, all items are sold "As-Is, Where-Is.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
4.5 ★★★★★
Based on 1152 reviews
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Product Reviews
★★★★★ 5
The Bible, if it was good
Format: Hardcover
I’m not kidding when I say the first 350 pages of this book are quite literally an entire computer science degree. In fact, many CS majors would learn more about some of these subjects here than in their classes. I’m incredibly impressed with the thoroughness and depth of this absolute tome, and I’ll be far more impressed if the binding is able to hold on to all 1200 pages for the whole time it takes me to read it.
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Reviewed in the United States on October 29, 2024
★★★★★ 5
Imprescindible
Format: Hardcover
Libro esencial para entender aspectos técnicos y completar la formación de los estudios universitarios .
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Reviewed in the United States on October 15, 2025
★★★★★ 5
good quality
Format: Hardcover, Format: Hardcover
Content is top notch as always. My 5-stars go mainly to reflect print quality of the book. Text is nice and clear, binding is done in proper cloth spine binding as you would expect from hardcover edition. Ordered my book on Feb 5th, 2019 and received it on Feb 11th, 2019. The book feels solid not like to fall apart right away. No issues like those reported for "Real-Time Rendering, 4th Edition" or "Physically Based Rendering: From Theory to Implementation 3rd Edition" or "3D Math Primer for Graphics and Game Development, 2nd Edition". This one is a keeper, so sad some other CG books had to go beacuse of the quality "issues".
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Reviewed in the United States on February 13, 2019
★★★★★ 4
An Invaluable Book
Format: Hardcover, Format: Hardcover
Game Engine Architecture" by Jason Gregory has proven to be a treasure trove of knowledge, especially in the realms of lower-level computer programming and the inner workings of CPUs. The first third of the book, which I have thoroughly enjoyed, dives deep into the intricacies of memory management and concurrent programming. Gregory’s explanations are so lucid and engaging that the complex concepts of memory orders such as relaxed, release, and acquire have become clear to me, showcasing their critical roles in programming.
What is particularly remarkable is how the book's first 400 pages serve not just as a guide to game engine architecture, but also stand on their own as an excellent introduction to computer science. It's a testament to the author's skill in distilling complex material into digestible content that even those without a vested interest in game development would find immense value in.
However, a caveat I must mention is the book's physical heft. Its size and bulk make it somewhat unwieldy, and I learned this the hard way when it fell from my desk. The impact caused the page binding to tear away from the hard cover, which was disappointing considering the book's cost. Nevertheless, with some craftiness involving thick drawing paper and glue, I managed to repair it. If the author adds any more information to the next edition, it'd probably be best to turn this into a 2-3 volume set to manage the size.
Despite this setback, the book remains an invaluable resource. Its depth and clarity are unmatched, making it a worthy addition to any tech enthusiast's library. Just be sure to handle it with care.
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Reviewed in the United States on November 11, 2023
★★★★★ 5
Much thicker than I expected!
Format: Hardcover
This book is massive and could easily be split into two or three volumes, which is great because it covers a very deep topic. It will be a while before I read the book from cover to cover, but the few chapters I've skipped to were able to help me immediately on some problem areas in a game engine that I built last year. I would definitely recommend this to anyone interested in video game development.
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Reviewed in the United States on June 14, 2021