My 40 DC has mid ship deck vents of 3" on each side of the boat. The port is supposed to be for intake, the starboard for exhaust. There are 3" hoses running from these deck vents to the mechanical area behind the bed at the transom that contains the fresh water tank, steering...

My boat has a MMI-119 Central Alarm System. I’ve been getting an intermittent “Fwd Lower Level Fire” alarm along with enough noise to wake the dead. Fwd Lower Level corresponds to a forward bilge area with Generators, HVAC and Isolation Transformers. It “appears” that the alarm system sees...

The level of complexity of marine electronics is out of control in the past, FLIR cameras were pretty much stand alone with a wired joystick/control pad and a video output you could send anywhere. Simple. It worked. Fast forward a few years and raymarine comes in the picture converting the...

Despite my best attempt todrain the water from my Atlantic T20 water heater, it did not survive thewinter. So I'm looking for recommendations for the best water heaterreplacement for my 55C that will fit down the stairs. The Atlantic was anexcellent quality stainless heater but is not in business...

I am trying to figure out how to replace the gauge on the holding tank which is missing and if I could install a macerator to this setup. Currently toilet pumps to holding tank or by opening a sea cock and turning a valve in stateroom closet overboard. Any help appreciated.

Installed a back up DC fresh water pump but it keeps losing it’s prime. I installed a check valve (yes the correct way) in the supply line just after the tee for the AC and DC pumps. I have a pressure tank installed that was new last year set at 35psi. Is it possible the tank is back pressuring the...

Underway yesterday en route to boatyard for bottom paint and engine seaflange replacement. Everything was going well until one hour into the trip. I noticed that the heading vector on all Garmin displays was indicating 10-15 degrees right of course. My disassociated Tablet displayed a matched-up...

The Phasor 20kva genset is running a little hot while we are away on holidays. I've changed the impeller, but no difference. Lots of water coming out exhaust. So will clean heat exchanger as next step. I have some hydrochloric acid (muriatic) on board. What ratio would I use to circulate...

Had to remove old wooded pulpit from my 46 to gain some room on dock . Need to install something that doesn’t stick out so far from bow .Old one was at least 3’+.Any suggestions?

I saw on another thread that a 58' takes about 4 gallons off paint, but it wasn't clear if that was for one or two coats. I'm guessing only one coat. Also, I've checked a few marinas around here (SW Florida) and they are getting around $100/ft to haul and 2 coats of paint. $580 to...