Natural gas ready and may be converted to LP gas with optional conversions kit 11K48
Compact cabinet height of 33 in. for flexible installation
Aluminized steel primary with crimped non-weld construction， and stainless steel secondary heat exchangers
Built-in， high level self-diagnostics with fault code displays standard on integrated control module for reliable operation
ECM variable speed blower motor for increased SEER efficiency， quiet operation and enhanced dehumidification
2 stage heating operation includes two stage gas valve， two stage inducer operation and variable speed ECM blower operation， adjustable delay timer allows two stage operation with a single stage thermostat; two stage thermostat recommended when installing a two stage condenser
Category IV venting; may be vertically or horizontally vented using schedule 40 PVC as either a one-pipe or two-pipe system for maximum flexibility in installation
Venting applications - may be installed as either 2-pipe sealed combustion， or single-pipe vent using indoor air for combustion air
Equipment should be sized， selected and installed by a qualified professional to ensure proper installation， safe operation， adherence to federal， state and local codes and for valid warranty; see installation guide for more details
Professional installation recommended
Standard 5-year limited parts warranty and 20 year limited heat exchanger warranty on residential applications; when registered online within 60 days， warranty is extended to 10-year limited parts warranty and lifetime heat exchanger warranty
Exclusive ROYALTON reliability assurance; should the heat exchanger fail within 10 years of the installation， a replacement furnace model will be provided at no charge; excludes shipping and labor charges
Does not meet California's south coast air quality management district low NOx requirements; not available for sale in CA
Not certified for mobile home use
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