Five … Convective heat isn’t very relevant either, because the balance of the heat in the flame would end up mixed in with the cabin air anyway. Allow approximately 15 seconds for the heater to turn on. You can run the stove for a few minutes now and then, cooking a meal or making tea. Having drilled a total of six holes for the ducting, it was time to place the vents. 3. I have turned it into an efficient, safe heater by using a retired, upside-down stainless steel soup pot as the heat transfer surface, resting atop the burner. Boat Cockpit Drain Fitting with 38mm Hose Tail. The fuse was removed and Toby returned to the heads ducting. This 2000 Carver 404 Cockpit Motor Yacht features an oversized swim platform, an expansive cockpit with a unique spiral staircase leading to an enclosed aft deck, and a spacious interior that gives you plenty of room for family and friends. ‘It’s better to have a small heater working hard than a big one ticking over that can coke up, like an idle diesel engine,’ said Toby Hague from Keto Marine, a company approved by Webasto, who installed this heater. The heat released by the pot is 278 Btu. Back under the cockpit, he connected the heater to the battery. Also, I don’t leave the heater on while I sleep. 1. Dry air is nearly as important as warm air to comfort because insulation remains more efficient. Self-etching marine sealant was applied to the exhaust fitting. I cut a 3-inch-wide board to fit the aft end of the companionway slider, drilled a hole in the board, and passed the exhaust end of the flue through it. The purpose of the flashing rim and upper pot is to add heat transfer surface area and improve heating efficiency. The other big disadvantage, at least for us with limited storage, is size. More How To. There is no need to seal this connection because the entire length is under slight suction. Basic description . Burning propane (or alcohol) produces water vapor. The burner on my Origo 2000 stove is rated at 7,000 Btu. This way, I didn’t have to drill a hole in the boat. Sails and Rigging Just running the Origo stove for one hour with the regulator half open and the cabin tightly closed, carbon dioxide reaches 15,000 ppm and carbon monoxide level reaches 100 ppm, both well into the danger zone. The invention provides a naturally vented cockpit of a boat. Stainless steel bow and stern rails, double lifelines (new 2009), port and starboard gates (new 2009). The differences in combustion are small. Sailed well, nice big cockpit, good weekender but depending on where you keep the boat you may want to replace the marine head with a porta potti for ease of maintenance. As the pump can’t lift beyond 1m (3ft 3in), he lined up the lift pipe and tank, then scored and snapped the copper pipe before gently bending it to attach to the pump, allowing two spirals in the pipe to compensate for vibration. Shop, read reviews, or ask questions about Heaters at the official West Marine online store. With one vent finished, Toby installed the thermostat in a discreet area in the galley. Fisheries Supply stocks a wide variety of boat heaters, including propane cabin heaters, diesel boat heaters, electric heating systems or even small portable air heaters. To confirm the heater’s efficiency and safety, I took some measurements. I attached the pipe by slotting to create tabs inside and out, which I secured with small bolts (blind rivets would have been a cleaner solution). Porcelain head, swim platform shower, docking lights, Premium sound, Bimini top and winter enclosure for boating in October with cobalt cockpit heater. 5. Another winter boat test, this time a Najad 410 in Sweden with a F7 outside. The specific heat of pine (for example) is .66 Btu/pound. We carry marine heating options from all the best brands including Dickinson , Sig Marine , Heater Craft , Red Dot , Caframo and more. Share. There’s no need to insulate the pass-through because the flue temperature never exceeds 120° F. In contrast, a naked propane flame is over 1,500˚ F and the burner grate will reach 400˚ to 800˚ F, depending on location. Installing a Boat Heater. Boat Safety Scheme Certificate Paloma Water Heater Boat Safety Scheme Certificate Paloma Water Heater. A tent and a cockpit heater outlet turned it into a second saloon. nowakezone56. A 9-inch glazed flowerpot that starts at 300° F drops to 195° in five minutes, 130° in 10 minutes, and at a half an hour is at 85° F. The same pot starting at 450° F drops to 345° in five minutes, 280° in 10 minutes, and is at 110° in a half an hour. Registered User. The dial control can be fitted anywhere the wiring will allow, but the ever-thoughtful Toby placed it in the aft cabin, so the owners can switch the heating on and off without having to leave the comfort of a warm bunk. Before you start, always think about the route of the ducting. I wanted to be sure the exhaust was leaving the cabin, so I scanned the surface and flue with an infrared thermometer. Nor do I leave it on while away from the boat. McMaster Carr 5241K13, $23.80 for 5 feet, 4-quart stainless soup pot, thrift store or surplus, Assorted small screws and two long cotter pins or nails, Plywood or similar to build slider insert, or better, install the flue through cabin roof or bulkhead if you will use the heater often. Keep your crew toasty by using this guide to install a boat heater. It can make chilly mornings a thing of the past, with the promise of snug evenings aboard in a deserted anchorage. Installing the heater On this boat Toby chose the spacious transom, then ran the aluminium ducting forward under the aft bunk, splitting the air into three vents: the heads, the aft cabin, and the furthest vent in the main saloon. Easy project. We had good luck heating a 36-foot race boat in San Francisco and the Pacific Northwest using this method. There’s no need to insulate the pass-through because the flue temperature never exceeds 120° F. So far, rain has not blown in, and I could easily cap it if necessary. If the wind is from ahead or the beam as it would be sailing or at anchor, the draft is fine, but if there’s a strong wind from astern—for example in a marina—it can blow the draft into the cabin. Popular . These auxiliary heaters offer a two speed motor and are encased in a coated steel housing of welded and fastened construction for rugged duty and … And then how much of the heat is lost? Unfortunately, none of it is true, except for it being cheap. ‘Not all installations are this easy,’ said Toby. A protective sleeve covers the exhaust pipe, The switch was flicked and after five hours, I heard the familiar click of the heater firing up. Over 2,000 ppm is considered serious by health departments. Some boatbuilders, Legend in this case, clearly expect some owners to retro-fit heating, as holes in the tightest places were pre-cut at the factory. 72. It’s often said that the heated pot stores and releases heat over a longer period, thus keeping the cabin warm long after the stove is off. Only by limiting the temperature to 300˚ F (by keeping the flame quite low) was the shattering risk reduced to an acceptable nonviolent level. Diesel Heaters. To achieve this natural ventilation, the invention utilizes the high pressure zone formed when air flows over surfaces of a boat and is for ... 13. But it’s only radiant heat that is relevant to the question of whether the flowerpot heater offers a benefit. 49. This boat has served its purpose for us and will hopefully do the same for the new owner. 60mm (3in) holes were drilled near the upper edge of each partition through which the ducting would run. The Webasto’s thermostat and control wiring were threaded through the new holes before the ducting. Boat kept in pristine … Because my stovetop heater uses the same flue size as the 5,000-Btu Sig Marine Cozy Cabin heater, I decided to not exceed that combustion rate and keep the burner valve between 1⁄2 to 2⁄3 open. The engine is currently not operational, Heat exchanger was removed, exhaust elbow & belt. Winter is an ideal time to have a boat heater installed. 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