For aircraft engine models:
Teledyne Continental:
O-470, IO-470, LIO-470, FSO-470, TSIO-470, GIO-470, IO-520, GTSIO-520, LTSIO-520, IO-550
Avco Lycoming:
O-540, VO-540, TVO-540, IO-540, HIO-540, AEIO-540, IGO-540, IGSO-540, IVO-540, TIO-540, LTIO-540, TIVO-540, AEIO-360, VO-360, IVO-360, TIO-360, TO-360, TIO-360, LTIO-360, TIVO-540, and IO-720
- Dimensions: 7 inch x 4 inch
 - Watts: 300 Watts
 - 110V AC
 - Manufactured by McFarlane Aviation, Inc.
 - Permanent installation, thin flexible pad bonds to engine oil sump
 - FAA-PMA (Modification Article) approved replacement for Continental, Lycoming and Franklin engines
 - No STC or Form 337 required (log book entry only)
 - No engine or airframe modifications required
 - Includes instructions and all necessary materials
 - Can be used alone or with a timer or temperature controller
 - Heats the air inside the engine
 - Warms the engine oil from subzero to safe starting temperature in less than one hour
 - Thermally conductive adhesive for efficient heat transfer and lower surface temperatures
 - Bonded heatsink distributes heat evenly
 - UL recognized components. 100% thermal fused element
 - Bonded heatsink distributes heat evenly
 - External ground wire grounds the engine and airframe to the electrical outlet, reducing the risk of electrical shock in damp outdoor locations
 - Thermostatically controlled to maintain oil sump temp less than 160 degrees F
 - No flame or hot air to burn cowling or plastic parts
 - Reduces the risk of fires associated with cold starts
 - Ground Fault Circuit Interrupter (GFCI) included to reduce the risk of electrical shock and power surge damage
 
