Casing internal tubular frame double wall doors rear doors on Model22 & larger G-90 galvanized steel weatherproof construction hinged service doors with flush-mount latches six discharge options Blower FC-DWDI centrifugal blower assembly v-belt drive 100,000 hour greasable bearings (Model 18-236) permanent lubricated bearings (Model 10-15) solid steel shaft split shafts with couplings on twin units Burner wide-range, high capacity line burner up to 30:1 turndown ratio electric-pilot spark ignition Burner Economizer Thermostat   Burner-Observation Port   Manifold Controls Vestibule weatherproof enclosure easy-access to manifold and controls manifold built to required codes		Electrical Controls Vestibule weatherproof enclosure easy-access to manifold and controls exhaust-interlock terminals terminal strip for quick service check burner and blower service switches Gas Connection   Motor standard, high E, open-drip proof with adjustable motor mount v-belt drive adjustable drive up to and including 25 HP starter with burner interlock Lifting Eyes standard heavy-duty lifting lugs Controls electronic flame safety controls ignition transformer airflow proving control high-temperature safety controls burner and blower service switches Remote Control Panel Summer-Off-Winter switch "Blower on" light "Burner on" light Other lights available
Factory assembled, wired, and flame tested Casing Burner Profile Burner Blower Burner Observation Port Lifting Lugs Motor Gas Connection Main Fused Disconnect Manifold Controls Vestibule Electrical Controls Vestibule