Product Manuals Installation and operation manuals for current and legacy Lanair waste-oil heaters, tanks, and accessories. LS Pro Series LS Pro Series Installation and Operation Manual XT Series XT 75 Waste Oil Heater Manual XT 150, 200, 250, 300, D-200, D-300 Waste Oil Heater Manual XT 215 Gallon Tank Parts List XT 150-300 / D-200-300 Manual (Spanish) HI Series HI 140 Heater Manual HI100i & HI140i Heater Manual HI180 & HI260 Heater Manual HI320 Heater Manual DHI 300 Heater Manual MX Series MX75 Heater Manual MX150 & MX200 Heater Manual MX250 & MX300 Heater Manual MXD Series MXD200 Heater Manual MXD300 Heater Manual MXB Series MXB250 & MXB400 Boiler Manual MXB360 Boiler Manual Tanks 80 Gallon Tank with Bypass Regulator Manual 80 Gallon Tank with Metering Pump Manual 80 Gallon Supplemental Tank, XT-75 Only 215 Gallon Tank with Bypass Regulator Manual 215 Gallon Tank with Metering Pump Manual Fans Hunter HVLS Installation Manual Misc. Intermittent Spark Upgrade Kit Mark II Manometer Installation