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Locally sourced alternate material for top filter?
dsjstc
Top  #1 Print Post
Posted on 08/01/2021 10:50 AM
I've overhauled my ancient Hottop and installed a K thermocouple and a KN-8828B-2K panel in it. It's working great... except that it heats up very slowly. The top filter has shrunk to about half size, and I'm looking for alternatives that can handle the heat. There are a couple of ancient threads here and there about replacing it with "black material from a back filter" or scotchbrite pad, or insulation... but no actual reports on how well it worked.

A new filter from Hottop USA is not realistic -- they ONLY use Fedex Ground for shipping parts and supplies to Canada, which means a minimum shipping charge of $41 plus about another $49 brokerage and import fees. That's $130 CDN for a $12 filter. That's a bit absurd, and it doesn't make me feel like Hottop USA is taking the Canadian market very seriously.

So... if you've replaced your top filter with something locally sourced, what have you used?
 
JETROASTER
Top  #2 Print Post
Posted on 08/04/2021 9:00 AM
Although this outfit doesn't seem to ship to Canada, the catalog may be useful to determine the right product, and or trade name, so you can source it up North.
I've linked the entire filter category, you should be able to drill down from there. Cheers, Scott
https://www.mcmas...m/filters/
 
OldMan41
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Posted on 12/26/2021 2:40 PM
Well I had 2 reasons for buying this.
https://www.lowes...1000195011

First it also had aluminum trim I used for my PC pre-filters.
But it's charcoal impregnated for odors...
Has 2 screens on front. So I can remove 1 if it causes the HT to heat up too much.
And no I don't use this for my PC. Just the trim.
It's made for heated ventilation.
Just use tin snips...
TaaDah!greenman
 
mtbizzle
Top  #4 Print Post
Posted on 02/04/2022 11:34 PM

Quote

OldMan41 wrote:

Well I had 2 reasons for buying this.
https://www.lowes...1000195011

First it also had aluminum trim I used for my PC pre-filters.
But it's charcoal impregnated for odors...
Has 2 screens on front. So I can remove 1 if it causes the HT to heat up too much.
And no I don't use this for my PC. Just the trim.
It's made for heated ventilation.
Just use tin snips...
TaaDah!greenman


Has this filter been working well for you?


Quote

dsjstc wrote:

ancient threads here and there about replacing it with "black material from a back filter" or scotchbrite pad, or insulation... but no actual reports on how well it worked.


I recently talked to a roaster who used to own a hottop years ago, he says he used scotchbrite.
Roast: Kaldi wide, SR800 + projects
Grind: Lab sweet, Bentwood, giota w/ MP burrs, Commandante
Pull: Decent, La Pavoni, Elektra Microcasa a Leva, Faemina anno 60, Kim Express
 
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