GIRARD Tankless RV Water Heater, 42K BTU, 12V, Quiet & Efficient
$768.41 on Amazon.com (as of June 18, 2026, 12:02 AM EST) View details ↗
Enjoy endless hot water on demand with the GIRARD Tankless RV Water Heater, engineered for RV owners who demand performance and reliability. This powerful 42,000 BTU unit delivers consistent hot water at your preferred temperature, thanks to its onboard microprocessor that intelligently monitors incoming water temperature, flow rate, and outgoing water temperature. The result? A steady, scald-free water flow without cold spots.
Designed for efficiency and ease of use, this RV water heater runs on 12V power with a whisper-quiet brushless motor (under 3 amps) for near-silent operation. The digital control panel lets you adjust water temperature between 95°F and 124°F, switch between Fahrenheit and Celsius, and view real-time temperature readings. Plus, its intelligent diagnostics display error codes for quick troubleshooting. Note: Professional installation is highly recommended to ensure optimal performance and safety.
