Wing n' Wing
Join Date: Jun 2006
Location: Bend, OR
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We have an Espar unit in our crealock34, mounted in the port cockpit locker. direct wired to the house batteries with a fuse 12" from the batteries. very large wire size. duct is routed thru the locker up high and outboard, then thru the bulkhead into the galley locker. (taking up a lot of space) It has two y's in it, one is just above the stove, one leg goes straight down an has a vent behind the stove. (always open) The other leg continues thru the galley locker until just below the silverware drawer, one leg going into the area below the garbage can, and with another y, the straight leg (which becomes a 3" duct frome here on) goes behind the port sette, mounted up high, and runs thru the bulkhead into the head locker. Yet another y, one leg goes to a vent, (always open) mounted just fwd of the head in the side of the sink cabinet. The other leg goes thru the bulkhead and goes to a vent under the berth. Back to that y under the garbage can, the leg we have not followed yet stay's 4", and goes thru the bulkhead to under the port side settee. It attaches to two vents under here splitting at a y.
I did not install this. When we picked up the boat we were not happy with the routing. Ten year's later, we have thought up any better route. I do remember seeing a install running along the starboard side, which I did not like any better.
On the west coast the pro's for Espar are out of Seattle, and they have a few words to the wise.
Don't run Espar's on low, they coke up. Run on high until you are warm, shut down, repeat. We do both. It coke's up. Have the pro's show you how to clean the pot's, add it to your list.
The comment about running on fully charged batteries is right on, become's erratic if you try to cheat.
Spare fuses, blow a fuse you are going to be cold.
Keep the wiring plug clean and corrosion free, weekly check.
During the install, make sure that two of the vents are the type that can not be closed, no backpressure.
These things take a lot of air, think about the source, propane fumes, restricted, etc.
When mounting the exhaust, avoid it pointing right a a dock level, these things are hot! They also put out a low growl thru the exhaust, out the stern will be best. Watch that rubber dink!
Our's was installed as our boat went into charter. Ten years in charter, three more since, a lot of hours. We are in the northwest and I sail thru the winter's, would not do it without.
I could provide picture's in a couple of week's if you need.