Showing posts with label Gas Fired. Show all posts
Showing posts with label Gas Fired. Show all posts

Sunday, October 18, 2009

Viessmann Vitodens 200 WB2B High Efficiency Condensing Gas-Fired Hot Water Boiler - New Addition to the Viessmann Family of High Efficiency Boilers



We are introducing new addition to the great family of Viessmann High Efficiency Boilers. Finally new Viessmann Vitodens 200 WB2B High Efficiency Condensing Gas-Fired Hot Water Boiler is here!



The Vitodens 200, WB2B high specification boiler is one of the most efficient and quietest condensing boilers in this sector. It is now available for commercial applications of up to 4 cascaded boilers with total 1,500,000 BTU – good news if access is difficult, floor space is limited, if you prefer the reassurance of having more than one boiler running as a back-up - or if you want all the features of this great wall-hung gas condensing boiler. With an AFUE of 98% the Vitodens 200-W, WB2B is the most efficient boiler in its price range and is eligible for U.S. Federal Tax Credit. It is ENERGY STAR qualified and, together with the Vitodens 200, the only wall-mounted condensing boiler certified by the Government of Canada's Environmental Choice Program to be less harmful to the environment. The Vitodens 200 uses a full-modulation natural gas SA240 316 Ti stainless steel Inox-Radial heat exchanger constructed to CSA B51 and ASME Section IV to achieve reliable, whisper-quiet and low-emission combustion. All Vitodens 200 burners come factory-calibrated to save time during installation. The boiler is equipped with a built-in boiler Lambda Pro, industry-first intelligent combustion management system: Adjusts automatically to gas type and quality.
No fuel conversion kit required. The clean and simple control interface includes a reset button, digital LCD display and adjustable high limit. For DHW control, outdoor reset operation and more, the boiler control is able to interface with any level of external control.


Features and Benefits of Viessmann Vitodens 200-W, WB2B boiler at a glance

  • Outstanding Efficiency of up to 98% with full modulation and 96.1% A.F.U.E. on all models.

  • Lasting Performance with Viessmann-made SA240 316 Ti stainless steel Inox-Radial heat exchanger constructed to ASME Section IV and CSA B51.

  • Low-Emission Combustion with fully-modulating natural gas stainless steel cylinder burner. Factory calibration eliminates adjustments in the field.

  • Lambda Pro, industry-first intelligent combustion management system: Adjusts automatically to gas type and quality. No fuel conversion kit required.

  • Viessmann Vitotronic on-board multifunction outdoor reset boiler and system control for multi-temperature space and DHW heating.

  • Expanded Application Range with increased capacity up to 370 MBH. Multi-boiler installation up to 1480 MBH with up to 4 boilers (models WB2B 17-45 and up).
  • Multiple Venting Options - Sealed combustion coaxial, hybrid sealed combustion double-pipe vent system, single-wall CPVC or SS vent system.

  • Easy Installation, Service and Maintenance with all pipe connections located at the bottom and serviceable components easily accessible from the front.

  • Flexible installation thanks to left/right installation features for supply, return and gas piping including ignition system.

  • Compact, Lightweight Design and zero clearance to combustibles make it a great choice for limited-space installations.

  • Extremely Quiet Operation; quieter than most refrigerators.

  • Built-in Automatic Frost Protection allows boiler to be shut off for an extended period of time while protecting it against freeze-up.

  • True High-Altitude O peration up to 10000 ft / 3000 m with simple electronic adjustment.


  • Other Standard Features :



  • Limited Lifetime Heat Exchanger Warranty

  • 2 years parts warranty

  • On-Board boiler control

  • Weather responsive variable speed pump (not included)

  • Vitodens control unit c/w outdoor sensor

  • Power module c/w pre-wired plug-in connections

  • Extremely low emissions of NOx and CO

  • Parallel electrode spark surfaces for extremely long life

  • Built-in condensate P-trap

  • All wiring connections c/w number coded plugs

  • Zero clearance to combustibles for all vent options

  • Burner modulation with flue gas adaptation

  • Domestic hot water priority

  • Differential air pressure sensor: shuts down burner in case of vent blockage

  • Boiler freeze protection

  • Factory tested.


  • Product Warranty

    2 years parts / Limited Lifetime heat exchanger


    Sunday, September 20, 2009

    Reznor Ultra High Efficiency Condensing Gas Fires Unit Heaters - 93%


    Reznor® V3 Series Model UEAS gas-fired, high efficiency, separated combustion unit heaters are available in 4 sizes ranging from 131,000 to 305,000 BTUH gas input. Heaters are designed for up to 93% thermal efficiency and are approved for installation in the United States and Canada by ETL.
  • Reznor® V3 Series unit heaters have a refreshing appearance with a glossy white cabinet finish and less visible hardware. Each size cabinet is easily suspended from 4 suspension points. The low voltage terminal strip on the outside of the cabinet makes connecting control wiring easy with no panels to remove. The addition of a “G” terminal to the low voltage strip, along with the new design of the circuit board, allows for fan only operation (without adding relays). All units have a factory installed gas line nipple to the exterior of the cabinet for easy gas service connection. The secondary heat exchanger has a 1/2” PVC pipe for attaching a coupling for ease of installation and cleaning of the required condensate drain. A 4” PVC cleanout cap that is drilled and tapped for a 1/2” NPT fitting is furnished with the heater for attaching the vent condensate drain.

  • The preeminent new internal feature is the Tcore3® heat exchanger and single burner combustion system. Other standard features include a single-stage gas valve, multi-try direct spark ignition with 100% lockout, pressure switch to verify vent flow, venter motor, aluminum venter wheel with housing, resiliently isolated axial fan and motor assembly, a high temperature limit control, interlock door switch, and a built-in disconnect switch. Operation is controlled through an integrated circuit board. The circuit board monitors heater operation and has LED diagnostic indicator lights to identify abnormalities in control functions.


  • Product Features

  • Up to 93% Thermal efficient ~ Most efficient unit heater in the world!
  • 50-60°F Rise range.
  • Arranged for use with natural gas (propane conversion kit included with unit).
  • NEW Tcore3 ® titanium stabilized aluminized steel heat exchanger.
  • NEW patented A Tcore3 ® single burner combustion system including a one-piece burner assembly.
  • NEW extruded aluminum secondary heat exchanger (patent pending).
  • 115/1/60 Supply voltage.
  • 115 Volt open fan motor with internal overload protection.
  • Transformer for 24-volt controls.
  • Integrated circuit board with diagnostic indicator lights.
  • Multi-try direct ignition with 100% lockout.
  • Fan relay (included on the circuit board).
  • Single-stage natural gas valve (field adjustable for operation to 10,000 ft. [3,000 meters] elevation).
  • Vibration/noise isolated fan motor.
  • Sealed control compartment houses all electrical components.
  • 48 frame, ball bearing, PSC venter motor.
  • 4-point Suspension.
  • Built-in disconnect switch (20A @ 115V Rating).
  • External terminal strip for 24-volt wiring.
  • Sealed junction box for supply wiring.
  • External gas connection.
  • Fully gasketed door panel with safety door switch.
  • Full fan guard ~ engineered for safety.
  • Improved cabinet design with less visible hardware and a NEW Reznor appearance.

  • Product Warranty

    5 years parts / 10 years heat exchanger