The 200 series has a minimum input rating of 70,000 BTU/hr. and a max. input rating of 200,000 BTU/hr. with a shipping weight of 14.5 lbs. The 300 series has a min. input rating of 90,000 BTU/hr. and a max. input rating of 300,000 BTU/hr. These gas burners are designed to match a large variety of applications and can be customized to meet OEM applications. A compact configuration meets and exceeds industry standards and the units offer a lot of power for their size. A better cost to value ratio is made possible by the sheet metal construction which allows for high volume production and shorter lead times. Units come fully assembled and factory fire tested to assure high quality performance, and the integrated junction box and universal mounting flange allows for easy installation.