- All the features of the 708 PLUS high resolution 0.001 in H20 differential manometer for high efficiency and oil equipment
- Calculates combustion efficiency
- Pump driven for fast response
- Will not shut off if 15 ppm CO is present for increased safety
- Optional A740 IR printer available for hard copies of test results
- Built-in differential thermometer
- Store function to save up to 50 readings
- Push on fittings for fast and easy use
- Large easy to read backlit display
- Ten selectable fuels