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Reznor® V3 series model UDAP gas-fired 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 UDAP 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® V3 Series unit heaters have a refreshing new appearance with a glossy white cabinet finish, 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 new V3 series unit heaters are designed to provide all the features you expect in a Reznor heater plus improved efficiency, easier installation and a new look - both inside and out.

Please read this Important Notice.

Standard Features

  • Sizes 30-125 certified for residential heating application
  • Sizes 30-400 certified for commercial/industrial heating application
  • 82-83% thermal efficient ~ TOP in its class!
  • 50-60°F rise range
  • NEW T-CORE2® design titanium stabilized aluminized steel heat exchanger (patent pending)
  • NEW T-CORE2® single burner combustion system including a one-piece burner assembly (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)
  • Natural or propane single-stage gas valve (field adjustable for operation to 9,000 ft elevation)
  • Vibration/noise isolated fan and venter motors ~designed for low noise operation
  • 2-pt and 4-pt suspension ~ standard on all sizes
  • External terminal strip for 24-volt wiring
  • External gas connection
  • Full fan guard ~ engineered for safety
  • Improved cabinet design with less visible hardware and a NEW Reznor appearance
  • Look for the white cabinet and unique mitered corner

Heating Capacity

The amount of heat, rated in BTUs that the item can produce.

Heating Capacity
400,000 BTU
Effective Heating Capacity (BTUs)
332,000
Maximum Over Current Protection (115v)
20 Amps
Combustion Type

Separated combustion draws outside air into the unit combustion chamber where it is burned with the fuel and then vented out with the exhaust. Reduces the common concerns about dusty, dirty, humid or aerosol environments.

Power Vented (or open) combustion pulls the the combustion air from inside the building and pushes the exhaust gases outside using a blower.

Combustion Type
Standard
Certified for
Commercial
Gas Connection
.75 inches
Vent Connection

The diameter of the vent connection on the furnace.

Vent Connection
6 Inches
Heat Exchanger Warranty
10 Years
Parts Warranty
5 Years

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.