LT199NRX1

LT Series Tankless Water Heater

The Next Level in Tankless Innovation

• Ultra High Efficiency
• High efficiency, condensing technology with UEF (Uniform Energy Factor) of 0.95
• Low NOx system exceeds the most stringent NOx regulations
• Energy Star certified
• Robust Stainless Steel Heat Exchanger
• Long life and high performance utilizing a unique oval pipe design
• 15-year warranty
• Reliable, Durable, Easy
• Easy to set up with bottom water connections
• Easy service with outside air and water filter access
• Great retrofit or new installation choice in residential or commercial applications
• Flexible Features
• Natural gas or propane models
• Multiple venting options
• Cascade up to 16 Standard units
• Title 24
• The Laars LT Series Tankless Water Heater models are capable of meeting Title 24 requirements

LT Series Tankless Water Heater - the Only Tankless You Need!

The LT Series condensing tankless water heater can easily become the only tankless water heater you use.  From single family homes to commercial applications, this intelligently engineered tankless water heater can handle it all.

Engineered to Handle it All! Higher temperature output setting - up to 180F on Standard models High hot water output of  5.1 gmp at a 77F rise Cascade venting with PVC or PP Easily set up cascaded units with on board control and available rack mounting system Use with air handler space heating applications utilizing the LT Series' priority interlock to ensure DHW priority

Designed for Long Life Its robust stainless steel heat exchanger is durably constructed with an oval pipe design for maximized heat transfer and long life. The oval design creates less scale build-up, increased thermal efficiency and lower maintenance.  The unique design boasts an increased life cycle of 3.5 times more a copper heat exchanger.  The LT Series has burner control and a combusion system that is designed for longer life, reduced dust build-up and fewer maintenance issues.  This combusion system includes a negative pressure gas valve and metal fiber construction.

Standard Features

• Wall-mounted design with wall bracket included
• Low NOx system exceeds the most stringent NOx regulations
• 304 stainless steel primary and secondary heat exchangers
• Indoor or outdoor (with opt. kit)
• Natural or propane
• Direct electronic ignition with automatic flame sense
• 0.95 Uniform Energy Factor
• Sealed combustion chamber
• Modulation down to 9% of full fire (11:1 turndown)
• Pre-mix metal fiber burner
• Built-in condensate trap and drain
• Vent with PVC, CPVC, stainless steel or polypropylene
• Inlet air filter
• 180°F max water temperature allows for residential or commercial use
• Inlet water filter
• Horizontal or vertical direct vent
• Overheat cutoff switch
• Cascadable up to 16 units
• Vent and air pipe lengths of up to 150 equivalent feet (each)
• Water leakage detector
• ENERGY STAR® qualified
• Exhaust temperature sensor
• AHRI certified
• Two 2" vent screens included
• Water temperature sensor
• Low lead compliant with NSF/ANSI 372
• Bottom water connections
• Spare gasket kit included