High-Efficiency
LT Series Tankless Water Heater
The Laars LT Series Condensing Tankless Water Heater is a powerful tankless water heater capable of delivering 5.1 gpm at a 77°F rise. Hot water when you need it, for as long as you need it, even when there is demand from multiple appliances!
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The Next Level in Tankless Innovation
Environmentally Responsible
High efficiency, condensing technology with UEF (Uniform Energy Factor) of 0.98 (for 150) and 0.96 (for 199)Environmentally friendly Low NOx system
Energy Star certified
Robust Stainless Steel Heat Exchanger
Long life and high performance utilizing a unique oval pipe design15-year warranty
Reliable, Durable, Easy
Easy to set up with bottom water connectionsEasy 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 modelsMultiple venting options
Cascade multiple units
Title 24
The Laars LT Series Tankless Water Heater models are capable of meeting Title 24 recirculation requirementsLT 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 185oF (199 model)
- High hot water output of 5.1 gpm at a 77oF 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
- Cascade racks, manifold kits and common vent kits available for easy multiple heater installations!
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 than 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.
LT Series Tankless Water Heater Details
| Doc No | Rev | Category | Description | View | |||
|---|---|---|---|---|---|---|---|
| Applications Manuals | Applications Manuals | ||||||
| 2199 | Manuals | LT Series Tankless Water Heater Applications Manual | Download | ||||
| 2224 | Manuals | 150 Recirc Model, Parts List. | Download | ||||
| Brochures | Brochures | ||||||
| 2181 | D | Brochures, Sales Literature | LT Series Tankless Water Heater Brochure (150 MBH or 199 MBH) | Download | |||
| 9305 | Brochures, Sales Literature | Field Service Kit | Download | ||||
| Install and Operating Manuals | Install and Operating Manuals | ||||||
| 2182 | B | Manuals | 199 Standard model, includes Parts. | Download | |||
| 2192 | C | Manuals | 199 Recirc model, includes Parts. | Download | |||
| 2222 | B | Manuals | LT Series Wall-Mounted, Modulating Gas Condensing Water Heater (150 MBH) Install and Operating Manual | Download | |||
| 2222 | B | Manuals | 150 Standard Model | Download | |||
| 2222FR | B | French Documents, Manuals | LT Series Wall-Mounted, Modulating Gas Condensing Water Heater (150 MBH) Install and Operating Manual - FRENCH | Download | |||
| 2222FR | B | French Documents, Manuals | 150 Standard Model | Download | |||
| 2223 | B | Manuals | LT Series Wall-Mounted, Modulating Gas Condensing Water Heater (Recirc model,150 MBH) | Download | |||
| 2223 | B | Manuals | 150 Recirc Model | Download | |||
| 2223FR | B | French Documents, Manuals | LT Series Wall-Mounted, Modulating Gas Condensing Water Heater (Recirc model,150 MBH) FRENCH | Download | |||
| 2223FR | B | French Documents, Manuals | 150 Recirc Model | Download | |||
| Kit Instructions | Kit Instructions | ||||||
| 7038 | Manuals | On Demand Kit | Download | ||||
| 7039 | Manuals | Outdoor Kit | Download | ||||
| 7040 | Manuals | Pipe Cover Kit | Download | ||||
| 7041 | Manuals | Rack System | Download | ||||
| 7042 | Manuals | Recirc Cascade | Download | ||||
| 7043 | Manuals | Standard Cascade | Download | ||||
| Master Formats | Master Formats | ||||||
| 5094-28 | Master Format Documents | Master Format Document | Download | ||||
| Parts Lists | Parts Lists | ||||||
| 2201 | - | Manuals | Standard model | Download | |||
| 2202 | - | Manuals | Recirc model | Download | |||
| 2233 | A | Parts | LT Tankless Water Heater Replacement Parts - LT150NXX1 and LT150PXX1 | Download | |||
| 2233 | A | Parts | 150 Standard Model, Parts List. | Download | |||
| 2234 | A | Parts | LT Tankless Water Heater Replacement Parts - LT150NRX1 and LT150PRX1 | Download | |||
| Start Up Guides | Start Up Guides | ||||||
| 9307 | B | Brochures, Sales Literature | LT Tankless Quick Reference Guide | Download | |||
| Submittal Data | Submittal Data | ||||||
| 2184 | C | Submittal Documents | Submittal Data, Standard model | Download | |||
| 2184_FR | B | French Documents | Standard Model | Download | |||
| 2198 | C | Submittal Documents | Submittal Data, Recirc model | Download | |||
| 2198_FR | B | French Documents | LT Series, Water Heater, Submittal Data, Recirculation Model, FRENCH | Download | |||
| 2204-FR | French Documents | Non-Return Valve - French | Download | ||||
| Warranty | Warranty | ||||||
| 8072 | B | Warranty | LT Series Tankless Water Heater | Download | |||
| 8072_FR | B | French Documents | LT Series Tankless Water Heater Warranty. | Download | |||
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