Davis Mark 3 Marine Sextant [011] Entertainment | Satellite Receivers 1" NPS discharge with 1"

1" NPS discharge with 1" AND 1 1/8" screw-on ports

Fasteners: (4) #10 RH (5 MM)

Freshwater flushing of your inboard is as simple as connecting a garden hose

these connectors form a water tight seal and the ultimate vibration and strain relief

Burner BTU - 13

Davis Mark 3 Marine Sextant [011] Entertainment | Satellite Receivers 1" NPS discharge with 1"Mark 3 Marine Sextant Sometimes referred to as a "lifeboat" sextant, the Mark 3 is an inexpensive training sextant. Yet this model has taken sailors around the world, too! It is full sized and has sunshades, but no optical magnification to help you find dim celestial bodies. Comes with instruction booklet. Owner's Manual (pdf)