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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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High Gas Consumption Safety Gas Valve The Rheos saves fuel and runs more efficiently two ways: Side Wall Combustion Air Terminal Modulating Gas Valve Vertical Combustion Air Terminal Side Wall Vent Terminal In fact, the Rheos only takes up half the floor space of conventional units.


Sequence Of Operation 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 rbeos industry.

Minimum Output Setting Temperature Control Features Shutting Down The Rheos Rheos Connection Sizes Gas, air, water and venting connections in inches.


Control Packs B E. Short Cycling – Water Heater Delayed Ignition – Possible Causes Common Vent Test – Boilers Table of contents Table Of Contents Laars Heating Systems Co.

Freeze Protection – Boiler Freeze Protection – Water Heater Specifications subject to change without notice. Motorized Safety Valve Locating The Appliance Filling The Boiler System Submittal Data without pump Submittal Data with lwars pump. 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.

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Water Flow Requirements – Water Heater Temperature Control – Laars Heater Heat Exchanger Coil Hot Supply Connections – Boiler Venting And Combustion Air Intake Combustion Air Gas Supply And Piping Short Cycling – Boiler Modulating “Smart” Boiler Saves Money!

Please read our Terms of Sale notice carefully before placing an order. Internal Water Heater Temperature Control