Cavewave H Series Diesel Heater – Bluetooth Enabled High-Efficiency Van Heater (5,500–15,000 BTU)

• Powerful Heating Performance: Delivers 5,500–15,000 BTU for reliable warmth in cold conditions.
• Advanced Safety System: Built-in flammable gas sensors automatically shut off the heater in unsafe conditions.
• High Elevation Performance: Tested up to 14,000 ft with automatic air-fuel ratio adjustments for optimal efficiency.
• Bluetooth App Control: Control heater settings remotely from up to 100 feet away.
• Efficient Fuel Consumption: Uses as little as 0.052 gal/h for extended runtime and efficiency.
• Low Power Draw: Operates at 20–40W with startup under 120W—ideal for off-grid systems.
• Proprietary Combustion Chamber: Engineered for high efficiency and consistent heat output.
• Complete Installation Kit Included: Comes with all necessary components, including auxiliary fuel port connectors for Sprinter, Transit, and ProMaster vans.
• High-Quality Components: Features a long-life Japanese glow plug and weather-sealed controller.
• Extreme Temperature Capability: Operates in temperatures ranging from -40°F to 75°F.
• Reliable & Durable: Designed for long-term use in demanding environments.
• 2-Year Warranty: Backed by manufacturer support.

• Universal Fitment for Vans, RVs, Trailers, and Overland Vehicles
• Compatible with Mercedes Sprinter, Ford Transit, and Ram ProMaster Vans
• Ideal for Diesel-Powered Vehicles and Off-Grid Heating Systems

• Heating Capacity: 5,500 – 15,000 BTU
• Fuel Consumption: 0.052 – 0.15 gal/h
• Operating Power: 20 – 40W
• Starting Power: <120W
• Operating Temperature: -40°F to 75°F
• Operating Elevation: Up to 16,000 ft
• Weight: 10 lbs
• Dimensions: 14.6" x 5.5" x 5.9"
• Warranty: 2-Year Limited

Shipping

We ship nationwide and internationally. Most in-stock items leave our shop within 1–3 business days. Made-to-order and oversized parts may require additional lead time; any special timing will be noted on the product page.

Order Processing

If an order is placed outside of our normal business hours (Monday–Friday), we will process it as soon as possible once our team is back in the shop during regular operating hours. Weekend orders will be handled the next business day.

Tracking & Delivery

• You'll receive a tracking email as soon as your order ships.
• We cannot ship to PO Boxes for oversized or freight items.
• Signature may be required for high-value shipments.

Freight & Oversize Items

• Large/oversized products (bumpers, racks, etc.) ship via LTL freight.
• Please inspect your delivery at arrival. Note any damage on the carrier’s paperwork and take photos before signing—this is required to file a claim.
• Residential freight includes curbside delivery; inside delivery/appointments may incur additional fees.

International Orders

• Duties, taxes, and import fees are the buyer’s responsibility and are not included at checkout.
• Some products may have export restrictions or carrier limits.

Order Changes & Cancellations

• Requests must be made within 24 hours of purchase when possible.
• Custom or built-to-order items may not be cancellable once production begins.

Returns & Exchanges

We want you stoked on your gear. Eligible items may be returned within 30 days of delivery for a refund or exchange.

Eligibility

• Items must be new, unused, uninstalled, and in original packaging with all hardware.
• Buyer is responsible for return shipping unless the return is due to our error or a confirmed defect.
• A restocking fee (typically 10–20%) may apply to non-defective returns to cover inspection, repackaging, and processing.

Non-Returnable Items

• Installed/used items, custom or made-to-order products, electrical/electronic components, clearance/“garage sale” items, and gift cards.

How to Start a Return

1. Log in to your account and open the order, or contact us with your order number.
2. We’ll issue return instructions and an RMA if approved. Returns without RMA may be refused.
3. Pack securely; include all parts and paperwork. We recommend insured, trackable shipping.

Refunds

• Once received and inspected, approved refunds are issued to the original payment method within 3–5 business days.
• Original shipping charges are non-refundable (except in cases of our error or a confirmed defect).

Damaged, Defective, or Incorrect Items

• Please contact us within 7 days of delivery with photos of the product, packaging, and shipping label.
• For freight damage, ensure notes are made with the carrier at delivery and take photos before signing.

Warranty

Many products include a manufacturer warranty. We’re happy to help facilitate claims—reach out with your order number, photos, and a description of the issue.

Questions about shipping or returns? Get in touch—our team is here to help you get trail-ready.