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Thread: Onan generator

  1. #1
    Join Date
    Sep 2016
    Posts
    4,232

    Default Onan generator

    Hi everyone, Iím about to order a new Onan 6kva generator and I noticed that Iím being charged for a lot of ancillaries such as battery, battery cables, water filters, fuel filters, Hull fittings, pipes etc etc. Ä2000 worth of extras. Apart from that the labour and generator are a good price. Is this normal?

  2. #2
    Join Date
    Dec 2005
    Location
    Live London
    Posts
    2,607

    Default Re: Onan generator

    Broadly speaking yes. The generator will come in a box and you will need all sorts of things to fit it. The fuel filtration I assume is another separ filter or similar just for the generator.

    It all adds up.

    Just installed a water maker. Need fittings pumps filters, flush timers , hose etc. Was close on £1000

  3. #3
    Join Date
    Mar 2002
    Posts
    15,586

    Default Re: Onan generator

    Quote Originally Posted by jrudge View Post
    Broadly speaking yes.
    +1.
    Otoh, 2k Eur for those parts is a bit borderline with a rip off, imho.
    It's not like a 6kVA genset needs a huge battery, a 3" strainer, a large fuel filter and so forth...
    I would at least check that they are using good quality stuff.

  4. #4
    Join Date
    Apr 2011
    Location
    Boat- SoF
    Posts
    3,829

    Default Re: Onan generator

    Thereís a basic exhaust kit which both gas and water exit together - gurgling = noisey and a ď super silent ď one too which separates gas to exit above the WL and you choose where you want the water .
    Below the WL - silent no trickle , but no tell tale - straight to busted impeller if thereís a restriction.
    Or above the WL - trickle noise .

    Super silent normally has a large expansion box as well before the separator .
    Then there may be a anti syphon loop required depending on relative height s etc
    Remote control panal or addition panal so two , one in the saloon one in the ER or geny space .

    Starts to add up above is as well as bat and fuel arrangement s
    Last edited by Portofino; 16-05-18 at 19:12.

  5. #5
    Join Date
    Mar 2002
    Posts
    15,586

    Default Re: Onan generator

    Quote Originally Posted by Portofino View Post
    Thereís a basic exhaust kit
    Ops, I forgot that side in my previous reasoning, 'cause it wasn't mentioned in Bouba's list.
    Yup, maybe 2k ain't such a rip off, all considered...

  6. #6
    Join Date
    Sep 2016
    Posts
    4,232

    Default Re: Onan generator

    It’s €1,367.60 + tax @ 20% total €1,641,12
    Is that closer to reasonable? There’s 22 separate items some just a few euros others like filters are a couple of hundred each

  7. #7
    Join Date
    Sep 2016
    Posts
    4,232

    Default Re: Onan generator

    I ordered the silencer kit with the water separator with the generator.
    The €1600 are extras

  8. #8
    Join Date
    May 2001
    Location
    London/Antibes
    Posts
    21,950

    Default Re: Onan generator

    Hard to comment without seeing list. Feels expensive if no exhaust components at all.

    Inlet seacock bronze with elbow etc 80
    Anode bonding cable kit for above 40
    Hoses and clips 70
    Strainer 150
    Primary fuel filter 200
    Fuel hoses 100
    Battery 100
    Battery box 30
    Battery cables 60
    Remote stop/start maybe? 150
    Sealant 15
    That's 995. I struggle to see the number you quoted

    Ref the exhaust and Porto's post above, take the water outlet below the waterline and have silent running. I don't agree Porto's comment that an above waterline tell tale will save the day if you get an intake water blockage. The Onan senses inlet water pressure and will shut itself down automatically far faster than you could yourself. Your impeller will therefore be fine. I have done this plenty having owned six Onans (and liked them very much- you made a good choice) .

  9. #9
    Join Date
    Sep 2016
    Posts
    4,232

    Default Re: Onan generator

    The full list in my best French
    Sea water filter.........................................38. 68
    Exhaust hose..................6m @ 36.80.....220.82
    Water lock outlet hose....2m @ 23.32.......46.64
    Water hose......................6m @ 11.66......69.96
    Diesel pre filter.......................................206.0 3
    Diesel hose.............................................2 33.20
    Raccord pre filter.........................................5.0 5
    Battery cables...........................................3 8.27
    Battery terminal connectors...4 @ 3.39......13.57
    Battery cut off............................................36. 56
    Battery........................................... ..........120.15
    Battery box............................................... .17.97
    ‘Jeu’ (?) Battery terminal...............................8.29
    3/4” Thru Hull............................................28 .24
    3/4” valve............................................. ......10.22
    3/4” tip (?)............................................... .....4.98
    1” Thru Hull.............................................. ..26.96
    1” valve............................................. .........38.41
    1” tip (?)............................................... .......12.06
    Anti siphon............................................ .....31.11
    90 degree elbow.........................................95.4 0
    Various supplies and collars........................60.00

    Phew! All prices are in euros and do not include tax (20%)

  10. #10
    Join Date
    May 2001
    Location
    London/Antibes
    Posts
    21,950

    Default Re: Onan generator

    Ok makes sense. In my guess above I excluded exhaust components as you sort of told us to, but actually you have c400+ vat of exhaust stuff in there. It looks ok to me apart from the following:

    1. the French will definitely use brass (plain, not DZR) seawater fittings because they just "don't do" bronze. I would delete those brass items, buy bronze from ASAP and tell them to fit the bronze stuff.
    2. I hope diesel hose has crimped ends not jubilee clips, at that punchy price. ( if you want uber spec you want all fuel hoses anywhere in boat done with crimped ends. No jubilee clips anywhere)
    3. Looks like they are not bonding seacocks to anodes unless included in the last €60 item
    Last edited by jfm; 17-05-18 at 20:30.

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