Product Manuals Installation and operation manuals for current and legacy Lanair waste-oil heaters, tanks, and accessories. 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. LS Pro Series Installation and Operation Manual Intermittent Spark Upgrade Kit Mark II Manometer Installation