Devices and methods for providing a switch for selecting which of a number of fuel valves receives power. The switch preferably provides a delay between the powering down of a first fuel valve and the powering up of a second fuel valve. Also included are systems and methods for providing an electrical, printed circuit board mountable safety switch for switching fuel sources in a multi-fuel burning system.

 
Web www.patentalert.com

< Apparatus and method for removing interfering substances from a urine sample using a chemical oxidant

< Fluid treatment system

> System and method for processing liquid

> Bag provided with means for the temporary association of a filter

~ 00265