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Reznor UDSA025-3

Reznor UDSA Gas-Fired Warm Air Generator

UDSA Gas-Fired Warm Air Generator – Efficient to the Peak

The best-known appliance from REZNOR is the UDSA gas-fired warm air generator, which ensures even air distribution in industrial buildings. This easy-to-install recirculating air unit is available in 14 output sizes from 7 to 97 kW and consists of a heat exchanger, gas burner, and exhaust fan. Combustion air can be drawn either from outside or from the showroom (standard configuration).

The REZNOR UDSA warm air generator guarantees even air distribution throughout the heated building. Its patented heat exchanger sets new standards in terms of airflow and heat transfer, achieving an efficiency of over 92 percent.

UDSA: compact, revolutionary, and trendsetting.

This generation of appliances allows for the particularly economical direct heating of buildings – without a central heating system – using decentralized, modulating gas-fired warm air generators.

REZNOR UDSA
Gas-fired warm air generator. The advantages:

Efficiency of over 92%
Suitable for vertical installation
Low NOx emissions
Innovative combustion concept
Quiet operation
CE system certified, version B or C
Compact design for easy installation
Uniform heat distribution
Standard vertical and horizontal air guide vanes
Heating output modulation up to 50%
EC technology
ErP Ready

These units are direct-fired gas-fired warm air generators with fan-assisted atmospheric multi-gas burners.

Installation of the gas-fired warm air generator, including gas and flue connections, must be carried out by an authorized installation company.


The gas-fired WLEs are suitable for:

- Natural gas or LPG operation
- Forced air operation
- Intake temperatures below 5°C with stainless steel heat exchanger*

- Heating operation, 1-stage or 2-stage*, controlled via room thermostat and heating control switch
- Ventilation° controlled via ECOtronic TN-L° with day/night/weekly program. Flue gas discharge via roof, version B or C ° Flue gas discharge through the exterior wall, version C °

Gas-fired WLE type: UDSA025-3
Gas appliance type: B22P-C12-C32-C52-C62
Regulation: DE
Gas category: I2ELL
Gas type: G20 natural gas
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Connection pressure: 20 mbar
Nozzle pressure: 8.20 mbar
Max. nominal heat input (Hs) QN: 30.08 kW
Max. nominal heat input (Hi) QN: 27.75 kW
Max. rated heat output: 25.53 kW
Min. rated heat output:
Connection voltage: 230V 1N, 50Hz
Air volume flow: 2385 m³/h
Protection class: IP20

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