Hampshire Heaters: Fitting instructions (a rough guide)
To fit the Hampshire Heater
First choose a position within the boat that you feel will be the safest, bearing in mind that as a heater, it will get very hot.
The position should have clear deck above to allow the through deck fitting (T.D.F.) to be installed and be, as far as can be
ascertained, free from any hidden wiring.
Once a suitable position has been found prop the heater, complete with the one meter length of flue fitted (should the supplied
flue be too long it can be modified to suit, minimum 300mm), against the bulkhead in your chosen position and pushed up with the
top of the flue touching the deckhead. Mark the deckhead round the flue.
Mark the center of the flue position and drill through with a small twist drill, about 3mm diameter. Check outside to be sure it
has come through in a safe position, with at least 75mm clearance from any other deck fittings or obstructions. With a 50mm hole
saw, cut through the deck ensuring that the drill is kept vertical and true to the mast. It may be necessary to cut through from
both inside and outside.
All being well, we move onto the pad for the T.D.F. This would ideally be made from marine ply, 150mm diameter, with a rounded
off top outer edge, a 50mm central hole to take the skirt of the T.D.F. and thick enough to be shaped to fit the curvature of
the deck to enable the T.D.F. to be mounted vertically. Should you have a flat deck, it would be advisable to still have a
pad with a minimum thickness of 10mm for heat insulation. When you are happy with the pad rub it down and give a couple of
coats of varnish to weather proof it. Once the pad is ready, it should be loose fitted to the deck with a couple of screws,
place the T.D.F. into the pad, put the outer flue into it and take a visual check that the flue is vertically true. Replace
the heater into its position on the bulkhead, with the 1m flue inserted into the T.D.F. from below. When you are happy, remove
the T.D.F and finally secure the pad in position with mastic and screws. Replace the heater in position with the 1M flue.
The final position should be with the T.D.F. flange and the pad having a 6mm gap. Finally secure the heater in position on the
bulkhead. The 6mm gap between the T.D.F. flange and the pad is to allow the flue to dig into the insulation within the T.D.F. so,
now secure the T.D.F. with mastic and the six screws. When assembling any threaded parts i.e. flue into the heater outlet, outer
flue or the threaded plug into the T.D.F., using the supplied Copper Ease IS A MUST!!! Stainless steel has a habit, with tight
fitting joins and threads of "Firing up" that is it will seize solid.
The end result could be that the affected parts will be destroyed getting them apart!! Take note. Use the Copper Ease.
Should you have been doing this during winter you can now go below, fire up the heater, have a hot cup of tea and get nice and warm again.
To purchase a Hampshire Heater, please email firstname.lastname@example.org for more information.