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Laars Manuals & User Guides

Laars Heating Systems designs and manufactures high-efficiency residential and commercial hydronic heating systems, including boilers, water heaters, and pool heaters.

Tip: include the full model number printed on your Laars label for the best match.

Laars Support

Official site: https://www.laars.com
General support: https://www.laars.com/support
Warranty & registration: Warranty info · Register a product
Support phone: +1-800-900-9276
Contact form: Contact manufacturer support

Laars manuals

Latest manuals from manuals+ curated for this brand.

LAARS Commercial Electric Boiler User Manual

December 27, 2022

Commercial Electric Boiler User Manual Commercial Electric Boiler Efficient, Convenient & Electric LAARS® Commercial Electric Boiler Small Footprint. Compact design provides up to 300kW, so it's perfect for tight boiler…

LAARS MT2H Commercial Boiler and Volume Water Heater Instruction Manual

November 24, 2022

MT2H Commercial Boiler and Volume Water Heater

LAARS A0078800 Tanks For Volume Water Heater User Manual

October 12, 2022

LAARS A0078800 Tanks For Volume Water Heater Specially designed for installations where the peak demands require stored water. Both dependable and versatile, the storage tank is perfect for simple installations…

LAARS Mini-Therm JX Residential Gas-Fired Hydronic Boilers User Manual

April 18, 2022

LAARS Mini-Therm JX Residential Gas-Fired Hydronic Boilers SAFETY INSTRUCTIONS FOR YOUR SAFETY This product must be installed and serviced by a professional service technician, qualified in hot water boiler and…

LAARS MFTCW199 High Efficiency Wall Mount Combi Boiler User Manual

March 20, 2022

MFTCW199 High Efficiency Wall Mount Combi Boiler User's Manual THE FT SERIES Wall-Mounted, Modulating Gas, Condensing, Combination Boiler Model FTCW 140,000 BTU/h 199,000 BTU/h Natural Gas (NG) - Factory Configuration…

LAARS LT Series LT199NXX1/LT199PXX1 Gas Condensing Water Heater Installation and Operation Instructions

Installation and Operation Instructions

Comprehensive installation and operation guide for the LAARS LT Series LT199NXX1 and LT199PXX1 wall-mounted modulating gas condensing water heaters, including detailed part lists and visual component breakdowns.

LAARS MINI-THERM JX Residential Gas-Fired Hydronic Boiler User Manual

User's Manual

Comprehensive user manual for the LAARS MINI-THERM JX series residential gas-fired hydronic boilers, covering installation, startup, shutdown, safety, and maintenance. Includes model sizes 50-200 MBTU/h.

LAARS High Efficiency Commercial Gas Water Heater Parts List

Parts List

Comprehensive replacement parts list for LAARS High Efficiency Commercial Gas Water Heaters, including models LUHE60T and LUHE100T. Find part numbers and descriptions for various components.

Laars Mighty Therm2 Installation and Operation Instructions

Installation Guide

Comprehensive guide for the installation, operation, and maintenance of Laars Mighty Therm2 commercial hydronic boilers and volume water heaters. Covers safety, model identification, venting, combustion air, water and electrical connections,…

FT Series Combination Boiler User Manual

user manual

User's manual for the FT Series Wall-Mounted, Modulating Gas, Condensing, Combination Boiler, covering operation, maintenance, and safety guidelines.

Cascading the FT Series Heating Only Boilers: Installation and Operation Guide

Installation Guide

Comprehensive guide on cascading FT Series Heating Only Boilers, covering installation, wiring, and operational procedures for both floor-standing and wall-mounted models. Learn about system configuration, control displays, and troubleshooting.

LAARS LT Series Gas Condensing Water Heater Installation and Operation Instructions

installation guide

Comprehensive installation and operation guide for the LAARS LT Series Wall-Mounted, Modulating Gas Condensing Water Heater with Recirculation Pump, including model numbers LT199NRX1 and LT199PRX1. Details safety precautions, operational procedures,…

Laars MINI-THERM JX Residential Gas-Fired Hydronic Boilers Installation and Operation Instructions

installation guide

Comprehensive installation and operation guide for Laars MINI-THERM JX series residential gas-fired hydronic boilers. Covers safety precautions, parts lists, and technical specifications for models ranging from 50 to 200 MBTU/h.