0531 Series Residential Tankless Water Heater

Up to $1,500 Federal Tax Credit - Our 531 series is perfect for apartments, condominiums and townhouses with 1-2 showers. When properly sized, they provide an endless supply of hot water and are designed to be more efficient than traditional tank-type water heaters. These compact heaters will save space without compromising power. Built-in features include safety lock-out, freeze protection, and high elevation adjustment. These units also offer several innovations:

• Safety lock out -Default max.120 degrees (refer to owner's manual for higher temp)
• Standard burner - High performance single flame burner.
• Fully modulating burner - Automatically adjusts burner level accordingly.
• Turbo Flow - Up to 6.6 GPM @ 35 degree temperature rise (5.3 GPM @ 45 degree rise).
• Direct ignition - No standby pilot light.
• Thermal fuse - Automatic overheat protection system.
• Resin coated PC board - Increases durability and protection from elements.
• Automatic air regulator - Monitors internal temperature/maximizes burner efficiency.
• Resin coated PC board - Increases durability and protection from elements.

*Energy Factor (EF) is a measurement of relative energy efficiency for a water heater; the higher the EF, the more energy efficient the water heater.

Available in Natural Gas (NG) and Propane (LP) models only.

• Temperature Settings: 100-160^oF (12 options)
• Thermal efficiency for all models: 83%
• Self-diagnostic onboard computer system
• Battery back-up compatible
• Recirculation compatible
• MSRP: $829.00 (unit only)
• QUALIFIES FORUP TO $1,500 TAX CREDIT(2009-2010 only)
• WARNING!!! PVC cannot be used for venting. Only Category III (3" stainless steel venting).