Biasi "3Wood" Boiler
The 3WOOD is a new generation of wood boiler that challenges our oil dependency. It is efficient, easy to use, and produces low emissions. Unlike wood boilers from the past, the 3WOOD dispels the notion that wood boilers are labor intensive, inefficient and polluting. 3WOOD offers consistent high efficiency with a large heat exchange surface and secondary combustion chamber. THE 3WOOD’s water-cooled grates, large finned firebox and secondary combustion chamber maximize the burn time and minimize wood consumption. Easy adjustments to the automatic temperature control, secondary air regulator, and flue gas damper enhance fire maintenance.For over 70 years, the BIASI foundry has maintained a reputation for precision pressure castings and quality control that exceeds all international standards. The 3WOOD series is available in four sizes ranging from 75,000 to 120,000 BTU/HR. All threads and fittings are compatible with North American controls and accessories. 3WOOD, the only ASME certified and ETL approved cast iron wood boiler on the market, embodies the design innovation of QHT BIASI. QHT BIASI 3-Pass Technology 1st Pass Wood burns in a large,finned combustion chamber with water-cooled grates. 2nd Pass Vented firebox gasses mix with very hot, preheated air in the secondary combustion chamber thereby enhancing oxidation. 3rd Pass Remaining exhaust heat is given-up in a wide finned, self-cleaning passageway before exiting the boiler. Technical Advantages Safety Components ASME Certified Boiler Rated at 58 psi ETL Approved for USA and Canada Water-cooled Grates Secondary Combustion Chamber for High Efficiency and Low Emissions Ash Tray Heavy Insulation Enameled Casing Large Loading Door Automatic Draft Regulator Pressure Relief Valve ASME Water-cooled Grates Overheat Aquastat Operating Aquastat Anti-Burn Levers for Doors Warranty Limited Lifetime Boiler Block More Information:

The new Zero ODP Drop-in Replacement compatible with all lubricants

HCFC 22 is a controlled substance under the Montreal Protocol and European Regulation and will be phased out on a global basis with all other HCFCs. HCFC 22 is already banned in Europe in most new equipment and is subject to a rapidly tightening cutback schedule. It is, therefore, now time to consider the options for replacing HCFC 22 which will become restricted in availability as these cutbacks come into effect.

RS-44 provides a low cost and easy solution to replacing HCFC 22 by avoiding a costly and technically unsatisfactory retrofit situation. By definition, any replacement for HCFC 22 must have no ozone depleting ability so that, in contrast to replacing CFCs (e.g. R12, R502) where there were 'interim' blends available (largely containing HCFC 22) enabling the existing lubricant in the system to be used, this is not an option when seeking to replace HCFC 22. R424A has a zero Ozone Depletion Potential, a similar performance to HCFC 22 and can be used with all types of lubricants.

Comparison with HCFC 22

Higher Coefficient of Performance Lower discharge temperature Zero Ozone Depletion Potential Non-flammable

Lower discharge pressure Similar capacity Compatible with existing oils No hardware changes needed

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Honeywell Universal Aquastat

With Reliable Honeywell Solid State Technology

Universal Replaces L8148 and L8124 Universally compatible, easy to install and manufactured with that famous Honeywell reliability, the L7224U allows for quick diagnostics updates through an easy-to-read LED display enhanced with a system of flashing lights. It’s like an express checkout service for every installation. For quality circulator, oil burner and boiler control for today’s systems and tomorrow’s advances, the L7224U Aquastat is a "state-of-the- art" solution. Make the switch from electromechanical to electronic with the universally compatible L7224U.

• Superior Performance — +/- 2° F accuracy and faster response times
• Easy Installation — Improved terminal layout and multiple knockouts make change-outs a snap
• Increased Flexibility — Vertical, Horizontal and Flush-Mount options; configurable for single-function use
• Multi-Function Display — Get setpoint, temperature reading and diagnostic information at your fingertips

EnviraCON-Enabled

The Honeywell L7224U Aquastats are all EnviraCOM-enabled. EnviraCOM is a low-cost 3-wire communication protocol that allows different devices — such as EnviraCOM communicating thermostats, aquastats and oil primaries — to connect and share information. So, whether you’re replacing old controls or installing new equipment, those customers are ready for Honeywell EnviraLINK™ a communication and remote diagnostic service that links your customers' equipment with your office.

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