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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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Please read our Terms of Sale notice carefully before placing an order. Don’t have an account? Cold Water Make-up – Boiler 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.


Manual Reset High Limit Control Temperature Control – Boiler Intake Combustion Air Water Connections – Rheos Water Heater Control Packs B E. Orlando, Florida USA All other trademarks, logos and copyrights are the property of their respective owners.

Common Vent Test – Boilers Hot Supply Connections – Boiler Safety Gas Valve External Control Connections Temperature Control – Water Heater Delayed Ignition – Possible Causes Filling The Boiler System Vertical Combustion Air Terminal Water Flow Requirements – Boiler Modulating “Smart” Boiler Saves Money!

Side Wall Combustion Air Terminal Head loss calculations apply laarw 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. Internal Water Heater Temperature Control Water System Piping – Water Heater Shutting Down The Rheos Submittal Data without pump Submittal Data with built-in pump.

Short Cycling – Boiler Gas Pressure Switches Laars Heating Systems Co. Side Wall Vent Terminal The Rheos saves fuel and runs more efficiently two ways: Short Cycling – Water Heater Gas Valve Regulation Water Flow Requirements – Water Heater Temperature Control Features 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.


Freeze Protection – Boiler Rheos Connection Sizes Gas, air, water and venting connections in inches.

Heat Exchanger Coil Remote Water Heater Temperature Control Sequence Of Operation