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My shop air handler is set up to use a 2=E2=80=9D filter but the installer s=
aid to use 2 one inch filters, both good ones. I watch the first one & remov=
e it when it is too dirty, move the second one up & install a new second one=
.=20
There is some discoloration on the second filter, so it is doing something.=20=
If you want to go with two different ones, I=E2=80=99d put the poorer one fi=
rst, followed by the better one.=20
My HVAC guy says to not use the corrugated filters, nor the fiberglass ones t=
hat you can see throughout. He sells me Purolator 312 filters by the case.=20=
Peace,
Pat
Pat Horne=20
We support Habitat for Humanity
On Dec 13, 2021, at 4:21 PM, Jim Stone <1789alpine@gmail.com> wrote:
=EF=BB=BFThe company that installed my HVAC system a few years ago used a fi=
lter box on the return line that takes 20=E2=80=9D x 25" x 4=E2=80=9D filter=
s, which is an unusual, and thus expensive, size - filters generally run abo=
ut $25 each - that is not readily available other than online. During const=
ruction, my general contractor just had a cheap 20=E2=80=9D x 25" x 1=E2=80=9D=
filter in there that seemed to work just fine. I checked the installation i=
nstructions for the furnace and there are no specifications for the filters,=
other than that they need to be changed regularly, which is getting pretty e=
xpensive. Is there any reason I couldn=E2=80=99t just use 1=E2=80=9D filter=
s, which are less than half the price? Maybe even put two of them in the bo=
x, a good one first to catch most of the dust and a cheap one like the contr=
actor used as a secondary one. It is a snug fit and I don=E2=80=99t think t=
here is any danger of them tipping, but two would make it impossible.
Thanks,
Jim
_______________________________________________
Shop-talk@autox.team.net
Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/archi=
ve
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">My shop air handler is set up to use a 2=E2=
=80=9D filter but the installer said to use 2 one inch filters, both good on=
es. I watch the first one & remove it when it is too dirty, move the sec=
ond one up & install a new second one. <div>There is some discolora=
tion on the second filter, so it is doing something. </div><div><br></d=
iv><div>If you want to go with two different ones, I=E2=80=99d put the poore=
r one first, followed by the better one. </div><div><br></div><div>My H=
VAC guy says to not use the corrugated filters, nor the fiberglass ones that=
you can see throughout. He sells me Purolator 312 filters by the case. =
;<br><br>Peace,</div><div>Pat</div><div><br><div dir=3D"ltr">Pat Horne =
<div>We support Habitat for Humanity</div><div><br></div></div><div dir=3D"l=
tr"><br>On Dec 13, 2021, at 4:21 PM, Jim Stone <1789alpine@gmail.com> w=
rote:<br><br></div><div dir=3D"ltr">=EF=BB=BF<meta http-equiv=3D"Content-Typ=
e" content=3D"text/html; charset=3Dutf-8">The company that installed my HVAC=
system a few years ago used a filter box on the return line that takes 20=E2=
=80=9D x 25" x<b class=3D""> 4=E2=80=9D</b> filters, which is an unusual, an=
d thus expensive, size - filters generally run about $25 each - that is not r=
eadily available other than online. During construction, my general co=
ntractor just had a cheap 20=E2=80=9D x 25" x <b class=3D"">1=E2=80=9D <=
/b>filter in there that seemed to work just fine. I checked the instal=
lation instructions for the furnace and there are no specifications for the f=
ilters, other than that they need to be changed regularly, which is getting p=
retty expensive. Is there any reason I couldn=E2=80=99t just use 1=E2=80=
=9D filters, which are less than half the price? Maybe even put two of=
them in the box, a good one first to catch most of the dust and a cheap one=
like the contractor used as a secondary one. It is a snug fit and I d=
on=E2=80=99t think there is any danger of them tipping, but two would make i=
t impossible.<div class=3D""><br class=3D""></div><div class=3D"">Thanks,</d=
iv><div class=3D"">Jim</div><span>__________________________________________=
_____</span><br><span></span><br><span>Shop-talk@autox.team.net</span><br><s=
pan>Donate: http://www.team.net/donate.html</span><br><span>Suggested annual=
donation $12.96</span><br><span>Archive: http://www.team.net/pipermai=
l/shop-talk http://autox.team.net/archive</span><br><span></span><br><span>U=
nsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/patintexa=
s@icloud.com</span><br><span></span><br></div></div></body></html>=
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_______________________________________________
Shop-talk@autox.team.net
Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/archive
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