Reznor UDAS250

UDAS-250 V3 Series Separated Combustion Gas Fired Unit Heater, 83%-250,000 BTU

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Reznor UDAS250

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Reznor UDAS-250 V3 Series Separated Combustion Gas Fired Unit Heater, 83%-250,000 BTU
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Reznor Products
Quick Specs:
Model
Brand: Reznor
SKU: UDAS250
Stock Id: SID166387
Appearance
Type: Dual Fuel Heaters
Fuel Type: Gas
Dimensions
Width: 3/8-1/3"
Length: 42"
Technical Details
Weight (lbs): 259
Power Source: Natural Gas
Brand: Reznor
Motor HP: 1/4
Heating Input Capacity BTU/h: 250,000
Heating Output MBH: 207,500
AFUE: 83%
Power Supply Voltage/Frequency/Phase: 115/60/1
Primary Heat Exchanger Type: Titanium Stabilized Aluminized Steel
Secondary Heat Exchanger Type: None
Vent Material: Double Wall Galvanized Pipe/ Single Wall 26 Gauge Pipe
Vent Type: Horizontal or Vertical
Gas Connection (Inches): 3/4
Maximum Heat Throw (Ft.): 93
Maximum Mounting Heights(Ft.): 18
Air Temp Rise (F): 60
Air Flow CFM @ 70F (cubic ft/min): 3,202
Condensate Volume (GPH): 0
Dimensions (HxWxD) Inches: 26-1/8 x 38-13/16 x 42
Vent/Fresh Air Size (Inches): 5 / 6

Reznor V3 series model UDAS gas-fired separated combustion unit heaters are available in 14 sizes ranging from 30,000 to 400,000 BTUH gas input. Sizes 30-125 are approved for residential application. All sizes are approved for commercial/industrial installations. Model UDAS heaters are designed for 82-83% thermal efficiency and are approved for installation in the United States and Canada by the Canadian Standards Association (CSA).

Reznor UDAS250 Features:

Reznor V3 series unit heaters have a refreshing new appearance with a glossy white cabinet finish, the unique Reznor mitered corner, and less visible hardware. Each size cabinet is easily suspended from either 2 or 4 suspension points, or an optional hanger kit for all sizes allows for ceiling mounting. 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 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 preeminent new internal feature is the T-CORE2 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, resiliently isolated venter motor, venter wheel with improved housing, resiliently isolated axial fan and motor assembly and a high temperature limit control. Sizes 30-125 also include a flame rollout safety 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.

The first ever separated combustion system in the commercial/industrial heating industry was introduced on a Reznor heater in the 1960's, and that proven technology is continued in this new separated combustion product. Model UDAS separated combustion units require installation of a specially designed combustion air/vent system including the unique concentric adapter box that allows for only one building penetration for both the vent and combustion air.

Reznor UDAS250 Specifications:

Heating Input Capacity BTU/h:250,000
Heating Output MBH:207,500
AFUE:83%
Fuel Type:Natural Gas or Propane
Power Supply Voltage/Frequency/Phase:115/60/1
Primary Heat Exchanger Type:Titanium Stabilized Aluminized Steel
Secondary Heat Exchanger Type:None
Vent/Fresh Air Size (Inches):5 / 6
Vent Material:Double Wall Galvanized Pipe/ Single Wall 26 Gauge Pipe
Vent Type:Horizontal or Vertical
Gas Connection (Inches):3/4
Maximum Heat Throw (Ft.):93
Maximum Mounting Heights(Ft.):18
Air Temp Rise (F):60
Air Flow CFM @ 70F (cubic ft/min):3,202
Motor HP:1/4
Condensate Volume (GPH):0
Dimensions (HxWxD) Inches:26-1/8 x 38-13/16 x 42
Weight (Lbs):259
Warranty:5 years parts / 10 years heat exchanger

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