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240 Chestnut Street, Liberty NY
845-292-6400
135 Chestnut St, New Paltz NY
845-256-6400
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518-438-6433
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        Viessmann Logo

Vitosol 300  
 
Vacuum tube solar collectors.
Absorber surface area: 22 and 32 sq.ft - 2 and 3 sq.m

     Cut-away view
   Technical data chart

 
 

The most environmentally-friendly method of domestic hot water heating, as well as a backup/supplement for low-temperature heating purposes.

Thanks to the highly effective Sol-Titan coating, the vacuum tube collector Vitosol 300 can even utilize diffused solar radiation. It is therefore suitable not only for domestic hot water applications, but also as a backup for central heating purposes.

The benefits at a glance:

  • High level of operational reliability and a long service life thanks to the use of high-grade, corrosion-resistant materials such as special solar glass, copper and stainless steel. Durable, vacuum-tight glass-to-metal seal.
  • High efficiency thanks to the Sol-Titan coated absorber and vacuum collector tubes.
  • Energy-efficient Duotec wrap-around pipe heat exchanger, which almost completely encases the condensers to facilitate better heat transfer.
  • The condenser has a flexible connection to the vacuum tube via a stainless steel corrugated pipe. The individual tubes can be adjusted for optimum alignment to the sun during original placement.
  • The dry connection of the collector tubes allows for individual tubes to be mounted and disassembled without having to drain the solar heating system.
  • Proven Viessmann plug-in system for connecting several collectors to form one collector panel with a total surface area of up to 65 ft2 - 6 m2.
  • A fully integrated solar system package available:
    • Vitosol 300 vacuum tube collectors
    • Vitocell 100 or 300 hot water storage tank
    • Solar-Divicon pump station
    • Vitosolic control unit
    • Solar expansion tank, Tyfocor solar fill
    • System fill manifold

     Flyer (412 KB)
     Brochure (2.6 MB)
     Technical Data Manual (1.3 MB)

RS-44 (R424A)

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

More Information and Specifications:

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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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All Rights Reserved
Last Updated:3/19/2017
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