Olympian Wave 6 Catalytic Safety Heater - An ideal primary or secondary heating source the Wave heater operates on low pressure LP gas and can be wall mounted or used as a portable unit. They come equipped with a 100% safety shut-off valve to prevent accidental non-ignition fuel discharge. The built-in automatic Piezo electric spark starter will last for up to 20,000 starts. No electrical drain or battery connection. It is adjustable from 3,200 BTUs to 6,000 BTUs. Will heat up to approx. an 18 foot camper/trailer (approx. 230 sq. foot) Dimensions: 6 inch D x 16 inch W x 20 inch H.