The LAARS Rheos modulating “smart” hydronic heating boiler is a breakthrough in commercial heating system design. Now, for the first time, engineers and. Rheos, Installation and operation instructions for • Read online or download PDF • LAARS Rheos RHCV – Install and Operating Manual User Manual. Boston Heating Supply stocks and sells a large selection of Uponor, Rheem, Grundfos, Laars, Emmeti products and replacement parts – all at an affordable price.

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Specifications subject to change without notice. Combustion Air From Room Minimum Output Setting Sequence Of Operation Don’t have an account?

Freeze Protection – Boiler Shutting Down The Rheos Temperature Control – Boiler Safety Gas Valve Venting And Combustion Air rueos Intake Combustion Air Normally Open Vent Valve Table of contents Table Of Contents In fact, the Rheos only takes up half the floor space of conventional units.

In addition, flexible horizontal or vertical venting options and low clearances allow placement virtually anywhere.


Please read our Terms of Sale notice carefully before placing an order. Vertical Combustion Air Terminal Head loss calculations apply only to LAARS OEM heat exchangers and allow for thirty feet of piping the same size as the heater outlet and, typically, five to six fittings.

Water Flow Requirements – Boiler Internal Water Heater Temperature Control Water Flow Requirements – Water Heater Delayed Ignition – Possible Causes Modulating “Smart” Boiler Saves Money! Side Wall Combustion Air Terminal Common Vent Test – Boilers Locating The Appliance Water Connections – Rheos Water Heater Laars Heating Systems Co.

Control Packs B E. Filling The Boiler System Orlando, Florida USA All other trademarks, logos and copyrights are the property of their respective owners. Gas Pressure Switches Short Cycling – Water Heater Hot Supply Connections – Boiler Submittal Data without pump Submittal Data with built-in pump.

Laars Rheos + Hydronic Volume Water Heater

High Gas Consumption Vertical Vent Terminal Water System Piping – Water Heater Now, for the first time, engineers and heating contractors can choose a single, high-efficiency, low-cost system for commercial laara requiring up to 2.


Short Cycling – Boiler Water Connections – Rheos Boiler External Control Connections Remote Water Heater Temperature Control The Rheos also features a patented, high-density, copper heat exchanger with a unique double-row finned tube design that maximizes heating surface area and yields the highest heat transfer per square foot of floor space in the industry.

Appliance Maintenance And Component Description The Rheos saves fuel and runs more efficiently two ways: Motorized Safety Valve Side Wall Vent Terminal Temperature Control – Water Heater Dheos Protection – Water Heater To Restart The Rheos Cold Water Make-up – Boiler Rheos Connection Sizes Gas, air, water and venting connections in inches. Temperature Control Features Modulating Gas Valve