ADVERTENCIA: Debe haber una abertura de aire fresco del exterior de al menos 76 cm (2,5 pies) cuadrados mientras el calentador está encendido. Si no se procura ventilació n de aire fresco del exterior, puede haber una intoxicació n con monó xido de car- bono. Procure una abertura de aire fresco del exterior antes de encender el calentador.
ADVERTENCIA: Revise y comprenda las adver- tencias en la secció n 
ADVERTENCIA: Pruebe todas las tuberías de gas y sus conexiones para saber si hay fugas despué s de instalar o dar servicio. Nunca use una llama al descu- bierto para verificar una fuga. Aplique una mezcla de jabó n líquido y agua en todas las uniones. La forma- ció n de burbujas indica una fuga. Corrija todas las fugas inmediatamente.
ADVERTENCIA:Reviseycomprendalasadvertencias en la secció n 
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PROPANE CONSTRUCTION CONVECTION HEATER specifications
The Desa Propane Construction Convection Heater is designed to provide efficient heating solutions for construction sites, workshops, and outdoor events. This robust heater is engineered to deliver high performance and reliability in rugged environments, ensuring that workers can maintain productivity in even the coldest conditions.One of the main features of the Desa Propane Construction Convection Heater is its powerful heating capacity. With a BTU output ranging from 30,000 to 70,000, it can effectively warm large areas, making it ideal for construction sites and open spaces where traditional heating may not be feasible. This heater operates on liquid propane, which is widely available and cost-effective, making it an economical choice for temporary heating solutions.
The convection heating technology utilized in this model ensures that warm air circulates evenly throughout the space. This provides a consistent temperature and helps to eliminate cold spots, creating a more comfortable working environment. The unit’s design includes a durable, rugged outer shell that can withstand the bumps and bruises often encountered on job sites, ensuring longevity and reliability.
Safety is a priority with the Desa Propane Construction Convection Heater. It comes equipped with essential safety features such as an automatic shut-off system that activates in the event of low oxygen levels or tipping, preventing potential hazards. The construction-grade handle ensures ease of transport, while the sturdy base provides stability during operation.
In terms of usability, this heater is designed for straightforward operation. With an easy start ignition system, users can quickly get the heater running, allowing for immediate warmth when needed. Additionally, the adjustable heat output allows operators to customize the heating level to match the requirements of their specific environment.
The Desa Propane Construction Convection Heater exemplifies versatility. It can be used both indoors and outdoors, making it suitable for a wide variety of applications beyond construction, including workshops, garages, and other large areas needing supplemental heat.
Overall, the combination of power, efficiency, safety, and convenience makes the Desa Propane Construction Convection Heater a top choice for professionals seeking a reliable heating solution in demanding conditions. Its robust features backed by reliable propane technology ensure that users can stay warm and productive, no matter the weather.