Product Description

This Bosch Therm 520PN model offer Piezo push-button ignition and utilizes a modulating gas valve to ensure a constant temperature at varying flow rates. The Therm 520PN is the perfect tankless solution for smaller families and households that only use no more than two hot water applications at a time.

While it provides endless hot water, it saves money because it only heats water when you need hot water.

Additional Features:

• Endless hot water for up to 2 applications at a time
• Minimum activation flow rate of 0.5 gallons per minute
• High to low temperature control
• Vents with galvanized B vent – natural draft
• Built for durability and serviceability with 15-year warranty and 20+ year life expectancy
• Available in NG and LP models

Key features

• Piezo ignition system requires no electrical connection
• 78%+ thermal efficiency
• 117,000 BTU maximum input
• 5.2 gallons per minute capacity at 35F degree rise

• 15 year limited warranty on heat exchanger
• 2 year warranty on all other parts