Regulates the burner to maintain the set hot water temperature.Freeze protection - designed for winter Use', "42,000 BTUs which provides the optimum performance for an RV's plumbing", 'No special LP gas lines or special plumbing required
Quiet brushless motor. No adjustments necessary at high altitudes
12V power operates at less than 3 amps
Gswh-2. Tank less water heater. Door sold separately. This is a good quality product.