What HRV filter do I need
HRV has 2 size's of filters
New post 2014 plastic fan box 300mm/295mm
older pre 2014 steel fan box 305mm/295mm
It is very important to get the correct size or you may as well not put a filter in at all.
F7 or F8 is the grade of the filtration and has nothing to do with size or model. there is very little difference between F7 & F8 but there is a big pressure drop so you should avoid using an F8 in the older HRV pre 2014 as it can kill the fan motor.
F7 is fine for the new HRV I'll attach a graph to show the difference.
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Wednesday 10 December, 10am - 3pm
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Poll: Should we be giving the green light to new mining projects? 💰🌲
The Environmental Protection Authority announced this week that a proposed mine in Central Otago (near Cromwell) is about to enter its fast-track assessment process. A final decision could come within six months, and if it’s approved, construction might start as early as mid-2026.
We want to know: Should mining projects like this move ahead?
Keen to dig deeper? Mike White has the scoop.
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53.2% Yes
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46.8% No
Aucklanders, we want to know: How are you feeling about the current property market?
New Zealand homeowners are now more likely to sell at a loss than at any time since 2013, and if you’re in Auckland or Wellington, the odds are even higher.
But there is a silver lining: buyers are still in a strong position when it comes to negotiating prices.
So we’re curious…
How are you feeling about the current property market?
If you’re keen to dive into the details, Deborah Morris breaks down all the latest insights.
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