paime Posted April 3, 2023 Share Posted April 3, 2023 Has anyone tried this? https://ministryofdefender.co.uk/buy-puma-dashboard.html#!/Defender-Heater-Only/p/538547111/category=0 It looks quite pricey but promises double the output in a neat looking box. They also do AC upgrades but they're even more spendy! Quote Link to comment Share on other sites More sharing options...
Mo Murphy Posted April 3, 2023 Share Posted April 3, 2023 A Chinese diesel fired Air heater would be about ⅛ the price ! Mo Quote Link to comment Share on other sites More sharing options...
landroversforever Posted April 3, 2023 Share Posted April 3, 2023 A properly adjusted standard heater, with a decent stat in the engine and a bulkhead seal in one place will give plenty of heat output. Only useful change to the standard one IMO would be some more options for heat distribution further back in the car. 2 Quote Link to comment Share on other sites More sharing options...
Simon Smith Posted April 5, 2023 Share Posted April 5, 2023 I improved my heater 100% by replacing the perished rubber bulkhead seal and the 30 year old fan motor with a new standard one. Quote Link to comment Share on other sites More sharing options...
Northwards Posted April 6, 2023 Share Posted April 6, 2023 I'm hoping my heater to bulkhead seal is OK because it was a b*****d to fit! But more on topic (though for a Tdi), I improved my heat output by fitting one of the allisport matrices - it can't actually be any 'hotter' obviously, as that's determined by the coolant itself, but as it's larger there's more of that heat to spare for the cabin. I also fitted one of the LandReiziger heater controls to give much more..... control! Together those things made a big difference to comfort levels inside the car, and are still cheaper than the thing in the link. Quote Link to comment Share on other sites More sharing options...
paime Posted April 8, 2023 Author Share Posted April 8, 2023 Sounds like expensive heater toys are a bit unnecessary based on the responses! Must get mine into shape over the summer before I freeze in winter again but thought the expensive box might be a shortcut to success. At the price they're asking it needs to be phenomenal before the spend makes any sense though. Quote Link to comment Share on other sites More sharing options...
Snagger Posted April 9, 2023 Share Posted April 9, 2023 I put a Defender heater into my 109 and it gets far too hot to keep on full blast even in sub zero conditions. The trick is all about their condition. I used caustic soda through the heater matrix to de scale the interior and flushed it through after a ten minute soak. The rest of it was also stripped and cleaned out, then all rebuilt with new seals on the flaps, housing to bulkhead face and new hoses for the demisters. I also ensured the lower fascia, which is the main distribution duct, had no leaks. The result is a very effective heater, although it does take longer to heat the back end of a 109 or 110. I can see the benefit of parking heaters for times you need warmth without driving - the standard Defender heater is efficient enough to overcool the engine when parked up and idling. But if you aren’t frequently sitting in a parked car, it probably isn’t needed. Quote Link to comment Share on other sites More sharing options...
ped Posted April 10, 2023 Share Posted April 10, 2023 as my 110 in bits and the heater motor packed up years ago and i fitted a bilge fan in it's place i took the time to remove the fan and fit a blanking plug in it's place (i did consider a new fan but at 150 i decided to keep using the bilge fan now it was apart i found the bilge fan fits nicely into the intake and can be sealed in place easily the original intake pipe in the wing will still but up to it and seal against the heater Quote Link to comment Share on other sites More sharing options...
ped Posted April 10, 2023 Share Posted April 10, 2023 I also added new seals to the flaps and around the matrix Quote Link to comment Share on other sites More sharing options...
Snagger Posted April 10, 2023 Share Posted April 10, 2023 All of that should help. Do remember to make sure the pipes and hoses from the engine are free flowing and that the thermostat works correctly. 1 Quote Link to comment Share on other sites More sharing options...
landroversforever Posted April 10, 2023 Share Posted April 10, 2023 19 minutes ago, Snagger said: ….and that the thermostat works correctly. That’s got to be the number one thing forgotten by the Facebook experts when heater discussions come up 1 Quote Link to comment Share on other sites More sharing options...
uninformed Posted April 10, 2023 Share Posted April 10, 2023 9 hours ago, landroversforever said: That’s got to be the number one thing forgotten by the Facebook experts when heater discussions come up My favourite is to make sure the heater is turned on when filling the cooling system and bleeding it 🤦🏻♂️ 1 2 Quote Link to comment Share on other sites More sharing options...
western Posted April 11, 2023 Share Posted April 11, 2023 90,110 heaters don't have a coolant shutoff valve, they are full flow all the time, so when filling just take your time & squeeze the hoses to move the coolant about, never had any problems with my 110s heater having airlocks, Quote Link to comment Share on other sites More sharing options...
Northwards Posted April 11, 2023 Share Posted April 11, 2023 I think uninformed was being a wee bit sarcastic about the depth of knowledge of some Fb posters.... 😀 3 Quote Link to comment Share on other sites More sharing options...
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