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 laxrs carefully before placing an order. Gas Valve Regulation Control Packs B E. External Control Connections The Rheos saves fuel and runs more efficiently two ways: Delayed Ignition – Possible Causes Gas Pressure Switches Shutting Down The Rheos Appliance Maintenance And Component Description Water Flow Requirements – Water Heater Manual Reset High Limit Control Freeze Protection – Water Heater Rheso Connections – Rheos Water Heater Water Flow Requirements – Boiler The Rheos also features a patented, high-density, copper heat exchanger with a unique double-row finned tube design that maximizes kaars surface area and yields the highest heat transfer per square foot of floor space in the industry.


Internal Water Heater Temperature Control Side Wall Vent Terminal In addition, flexible horizontal or vertical venting options and low clearances allow placement virtually anywhere.

Short Cycling – Water Heater Specifications subject to change without notice.

Sequence Of Operation Water System Piping – Water Heater Common Vent Test – Boilers Vertical Vent 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.

Hot Supply Connections – Boiler Filling The Boiler System Intake Combustion Air Minimum Output Setting Now, for the first time, engineers and heating contractors can choose a single, high-efficiency, low-cost system for commercial installations requiring up to oaars. Motorized Safety Valve Short Laarz – Boiler Water Connections – Rheos Boiler Modulating Gas Valve Combustion Air From Room Don’t have an account?

Rheos Connection Sizes Gas, air, water and venting connections in inches. Laars Heating Systems Co. In fact, the Rheos only takes up half the floor space of conventional units.


Temperature Control rheeos Boiler Freeze Protection – Boiler Safety Gas Valve Cold Water Make-up – Boiler Table of contents Table Of Contents Locating The Appliance To Restart The Rheos Heat Exchanger Coil Modulating “Smart” Boiler Saves Money! Submittal Data without pump Submittal Data with built-in pump. Venting And Combustion Air