Infrared Sunpak Heater 25,000 btu utilzed a fully automatic OFF/ON control system. This heater requires a switch, timer, or other control deivce. The Sunpak patio heater provides radiant warmth outdoors in an unobtrusive manner. Sunpak is CSA design-certified as an unvented infrared heater for outdoor or indoor installation. All units are equipped with spark ignition and 100% shutoff for safety, economy, and convenience. Sunpak’s aluminized or stainless steel enclosure, together with the aluminum face grill, provides resistance to wind and rain. The slim body design (8 x 8 x 48 inches) and 0 to 30 degree angle mounting option on most models, give SUNPAK the versatility to fit easily into wide variety of patio situations. Includes stainless steel mounting kit and 24 volt transformer.