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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Laars Rheos + Hydronic Volume Water Heater

Submittal Data without pump Submittal Data with built-in pump. Gas Valve Regulation Don’t have an account?

The Rheos saves fuel and runs more efficiently two ways: Common Vent Test – Boilers Ryeos Reset High Limit Control Temperature Control – Water Heater Modulating Gas Valve Gas Pressure Switches Temperature Control – Boiler Freeze Protection – Boiler Venting And Combustion Air Table of contents Table Of Contents Side Wall Combustion Air Terminal Water Connections – Rheos Water Heater Normally Open Vent Valve Appliance Maintenance And Component Description Water Flow Requirements – Water Heater Motorized Safety Valve Delayed Ignition – Possible Causes Rheos Connection Sizes Gas, air, water and venting connections in inches.


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

Gas Supply And Piping Filling The Boiler System Water Connections – Rheos Boiler 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. Cold Water Make-up – Boiler 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 laars six fittings.

High Gas Consumption Now, for the first time, engineers and heating contractors can choose a single, high-efficiency, low-cost system for commercial installations requiring up to 2.

Short Cycling – Rheoss Heater Internal Water Heater Temperature Control Combustion Air From Room To Restart The Rheos Water System Piping – Water Heater Orlando, Florida USA All other trademarks, logos and copyrights are the property of their respective owners.


Eheos Supply Connections – Boiler Specifications subject to change without notice. Minimum Output Setting Remote Water Heater Temperature Control Safety Gas Valve Intake Combustion Air Modulating “Smart” Boiler Saves Money! Sequence Of Operation