Product Features # 99.9% steady state high efficiency and up to 30,000 BTU's # No electricity required to light or operate - millivolt system ensures reliable use even during power failures. # 50% flame/heat adjustment for maximum comfort and efficiency # Ideal for wood or pellet stove replacements or renovation projects # Equipped with 100% safety shut off valve with oxygen depletion sensor ODS) # Available in painted black, porcelain black and almond, and majolica porcelain green and brown # President's Limited Lifetime Warranty # Vent free appliances are not approved for sale in Canada and some USA states # Space saving installations through reduced clearances # Install at ground level, basements or upper level # Approved for installations directly on any floor, even carpet without protection # Suitable for mobile homes # No chimney or venting is required Specification Type Specification Gas Type Natural Gas or Propane BTU Input Natural Gas 30,000 BTU Input Propane 30,000 BTU Output Natural Gas 29,970 BTU Output Propane 29,970 Heating Efficiency Natural Gas (Ready State) NG 99.90% Heating Efficiency Natural Gas (Ready State) LP 99.90% TESTED TO ANSI Z21.11.2b - 1998, VOLUME II, UNVENTED ROOM HEATER STANDARD