Originally Posted by hpeer
I had an Espar rep install a D-4 in our 33' boat. Against my wishes he ran a ton of air duct. I couldn't see the point.
I our 44' center cockpit
I installed a D-4 over the engine
with a very short duct into the main salon
. Heats the main salon
a charm in Delaware. Probably about similar to your winter.
Aft cabin stays chilly, but that is OK. Sleeping bags and cuddling.
It helps to close off the forepeak and other small cabin.
I found the install pretty simple and I surely did a better job than the 'pro.' Sure was a LOT cheaper too. I think I ended up under $2k, and that included some extra exhaust hose and insulation
I bought from Greg Landyut at Lubrication Specialist. He was helpful then and quickly returns emails. Two days ago I mailed him and asked for a list of spare parts
for my summer trip, he got right back to me with suggestions. Decent prices also.
Fumoto Oil Drain Valves, Espar Heaters, Espar Heater Parts, Evans Coolant :Lubrication Specialist
We installed a D4 too. It's an easy install and all you need is the kit:
eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices
which you can pick up on ebay, for example.
If you're prepared to wait around a few weeks you'll find an "Eberspacher D4 kit" going cheap
There are many places you can install. One of the more popular places would be in the rear-berth between the fuel tank
and the engine compartment. You can run the exhaust through the back of the engine compartment, to the aft cavity and out over the side, and you have easy access to the fuel tank
. I'd advise you place the fuel inlet probe such that it doesn't reach the bottom of the tank. That way you'll sleep safe knowing that you're not going to wake up to an empty tank - i think we had ours set to leave 1/8th tank.
From that location it's easy to run 1 single
hose air to an outlet mounted on the kick-plate underneath the sofa's in the saloon
. The all controller requires a is a simple lead and can be mounted at your nav station, for example.
Seriously, i'd save the $8000 and do it yourself - it's really not a hard job at all and you'll need a few tools, a drill with a hole-cutter and some patience. The fiddliest bit to the whole process is putting the exhaust through-hull somewhere about a foot below the after comings. You're probably going to come up in around $300 in tools and 3M 4200/5200 goop if you're starting with nothing. If you're planned and organized you're looking at a 1 day job.
The D4s work extremely well and are very dependable - truck drivers in the far north wouldn't use them as cabin heaters if they were junk. They pull very little fuel, make no noise
once they've spun up and produce a constant flow of heat out of the vents.
The good news is that they're modular, so you can always buy more air-conduit parts
and outlets in the future if you want to expand the system to more than just the saloon (the head
for example) - getting the core diesel
heater in is the most time-consuming part.
Worth a thought.