Real answers from the people who machine the threads. Most messages get a reply within one business day.
Order issues, module questions, weird thread noises — send it all. Include your order number (it starts with HS-) if you have one.
Write to supportCompatibility, dishwasher rules, heated-base battery life, custom color pricing — the most common questions are already answered.
Browse the FAQSigned-in customers can see full order history — items, colors, totals, and status — from the account menu on the home page.
Go to your accountEvery stainless module — lids, mids, and unpowered bases — is covered for life against manufacturing defects: failed welds, thread defects, or insulation loss. The Heated Base is covered for two years, including the battery. Normal wear, dents from drops, and custom-coating scratches aren't covered, but replacement modules are always cheaper than replacement bottles. That's the point of the system.