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Re: [Shop-talk] LP Generator supply

To: Thomas Coradeschi <tjcora@icloud.com>
Subject: Re: [Shop-talk] LP Generator supply
From: Jim Stone <1789alpine@gmail.com>
Date: Sat, 21 Aug 2021 22:41:04 -0400
Cc: Shop Talk <shop-talk@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <6BDCC293-14C1-488A-AFFA-937C9DA14B28@icloud.com>
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Thanks, Tom. I have  transfer switch for the house furnace; a bigger one has=
 long been on the to do list. This may move that up a bit.=20

Sent from my iPhone

> On Aug 21, 2021, at 5:15 PM, Thomas Coradeschi <tjcora@icloud.com> wrote:
>=20
> =EF=BB=BFYou=E2=80=99ll be good with what you have. I have a 3 kW Honda on=
 a 10 circuit transfer switch, feeding a 2600 ft2 house. We can=E2=80=99t ru=
n the the big power hogs - A/C or electric oven - but other than that, we ar=
e good. We run some lighting, internet/computer/TV, NG powered  heat, HW, co=
oktop, dryer and grill, etc. Its an inverter based system and it rarely runs=
 much above idle unless heat, both fridges, freezer and coffee maker are all=
 calling for power at the same time.
>=20
> Tom Coradeschi
> tjcora@icloud.com
>=20
>>> On Aug 21, 2021, at 4:29 PM, Jim Stone <1789alpine@gmail.com> wrote:
>>>=20
>> =EF=BB=BF=46rom David:
>>=20
>>> You need a low pressure regulator. Input is 10 to 15ish inches of water.=
  Output is 10 inches water.=20
>> Steal the one from your furnace, if you need to.
>>=20
>> There is a regulator between the tank and the house, so it comes in befor=
e the line to the outside.  It is hard to read the regulator, as it is under=
 the porch, which is why I gave the stats for the water heater.=20
>>=20
>> =46rom Pat:
>>=20
>>> Silly question. Did you talk to the folks that installed the generator?
>>=20
>>=20
>> Not silly, but it isn=E2=80=99t a permanent whole house generator.  I=E2=80=
=99ve thought about installing one, and certainly will if weather patterns c=
hange enough that we are dealing with this more often, but the price didn=E2=
=80=99t seem justified given the amount of use that it would get.  As I said=
, I have had this one for about 8 years and never had to use it.  My main wo=
rry has always been an extended outage in the winter, but we don=E2=80=99t n=
eed much amperage with propane heat for the furnaces. (Separate heat in the s=
hop.  Hey!  Shop content!).  I haven=E2=80=99t done the exact math, but beli=
eve that 4000 Surge Watts/3250 Running Watts will be enough to keep things g=
oing here for as long as it takes=E2=80=A6as long as I can run off of the in=
-ground tank.
>>=20
>>> On Aug 21, 2021, at 3:46 PM, Pat Horne <patintexas@icloud.com> wrote:
>>>=20
>>> Silly question. Did you talk to the folks that installed the generator?
>>>=20
>>> Peace,
>>> Pat
>>>=20
>>> Pat Horne=20
>>> We support Habitat for Humanity
>>>=20
>>>=20
>>> On Aug 21, 2021, at 1:08 PM, Jim Stone <1789alpine@gmail.com> wrote:
>>>=20
>>> =EF=BB=BFI am on Eastern Long Island, directly in one of the projected p=
aths of Hurricane Henri.  We are being told to plan for 7-10 days without po=
wer, although FWIW we were only powerless for 4 days following Sandy.  Short=
ly after Sandy I purchased an LP Generator (https://www.jbtools.com/buffalo-=
tools-gen4000lp-4000-watt-propane-generator/?wi=3Doff&gclid=3DCjwKCAjwyIKJBh=
BPEiwAu7zll1U54VH4euJneVO0jmOzjdgwy6-t0MUdEtaEHYXf_7W0sQxKo54TphoC__4QAvD_Bw=
E) which, of course, I have never needed, although I do run it periodically t=
o be safe.  It is designed to run off of LP tanks and comes with a standard r=
egulator.  A little Googling shows the following specs for the regulator:
>>>=20
>>> Low Pressure Regulator
>>> Inlet Pressure:               25-250PSIG
>>> Outlet Pressure:            280mmH2O=3D (11"W.C.)
>>> Flow Capacity(MAX):    119000(BTU/hr)
>>>=20
>>> We use Propane for DHW and heat and have a 500 gallon in-ground tank.   I=
 had an outside gas line stubbed out when the house was remodeled, just in c=
ase I ever needed it and I would like to be able to connect the generator di=
rectly to the house supply and avoid having to depend on the portable tanks.=
  The house supply is regulated and, as an example, here are the specs for t=
he water heater:
>>>=20
>>> Max Inlet Gas Pressure:    13.0 =E2=80=9CW.C.
>>> Min Inlet Gas Pressure:     8.0 =E2=80=9CW.C.
>>> Recovery Rating:               206/Gallons/HR
>>> Max Working Pressure:     150psi
>>> Max Output:                       180,000 BTU/HR
>>> Max Input:                          11,000 BTU/HR
>>> Manifold Pressure:             3.9 =E2=80=9CW.C. (For Max Input)
>>>=20
>>> Am I missing anything, or should I be able to hook the generator directl=
y to the house supply without the regulator?  For the record, I tried it onc=
e with the regulator attached and it barely ran and didn=E2=80=99t put out a=
ny appreciable power.  I always meant to research this before I needed it, b=
ut like many of us, never got around to it until now.
>>>=20
>>> Thanks,
>>> Jim
>>>=20
>>>=20
>>> _______________________________________________
>>>=20
>>> Shop-talk@autox.team.net
>>> Donate: http://www.team.net/donate.html
>>> Suggested annual donation  $12.96
>>> Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/a=
rchive
>>>=20
>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/pati=
ntexas@icloud.com
>>>=20
>>=20
>> _______________________________________________
>>=20
>> Shop-talk@autox.team.net
>> Donate: http://www.team.net/donate.html
>> Suggested annual donation  $12.96
>> Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/ar=
chive
>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/tjcor=
a@icloud.com
>>=20

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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">Thanks, Tom. I have &nbsp;transfer switch f=
or the house furnace; a bigger one has long been on the to do list. This may=
 move that up a bit.&nbsp;<br><br><div dir=3D"ltr">Sent from my iPhone</div>=
<div dir=3D"ltr"><br><blockquote type=3D"cite">On Aug 21, 2021, at 5:15 PM, T=
homas Coradeschi &lt;tjcora@icloud.com&gt; wrote:<br><br></blockquote></div>=
<blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF<meta http-equiv=3D"cont=
ent-type" content=3D"text/html; charset=3Dutf-8">You=E2=80=99ll be good with=
 what you have. I have a 3 kW Honda on a 10 circuit transfer switch, feeding=
 a 2600 ft2 house. We can=E2=80=99t run the the big power hogs - A/C or elec=
tric oven - but other than that, we are good. We run some lighting, internet=
/computer/TV, NG powered &nbsp;heat, HW, cooktop, dryer and grill, etc. Its a=
n inverter based system and it rarely runs much above idle unless heat, both=
 fridges, freezer and coffee maker are all calling for power at the same tim=
e.<br><br><div dir=3D"ltr"><span style=3D"background-color: rgba(255, 255, 2=
55, 0);">Tom Coradeschi</span><div><span dir=3D"ltr" style=3D"background-col=
or: rgba(255, 255, 255, 0);">tjcora@icloud.com</span></div></div><div dir=3D=
"ltr"><br><blockquote type=3D"cite">On Aug 21, 2021, at 4:29 PM, Jim Stone &=
lt;1789alpine@gmail.com&gt; wrote:<br><br></blockquote></div><blockquote typ=
e=3D"cite"><div dir=3D"ltr">=EF=BB=BF<meta http-equiv=3D"Content-Type" conte=
nt=3D"text/html; charset=3Dutf-8">=46rom David:<div class=3D""><div dir=3D"l=
tr" class=3D""><br class=3D""></div><div class=3D""><blockquote type=3D"cite=
" class=3D""><div dir=3D"auto" class=3D"">You need a low pressure regulator.=
 Input is 10 to 15ish inches of water. &nbsp;Output is 10 inches water.&nbsp=
;</div></blockquote><font color=3D"#5856d6" class=3D""><span style=3D"caret-=
color: rgb(88, 86, 214);" class=3D"">Steal the one from your furnace, if you=
 need to.</span></font></div><div class=3D""><div dir=3D"auto" class=3D""><b=
r class=3D""></div></div><div dir=3D"ltr" class=3D"">There is a regulator be=
tween the tank and the house, so it comes in before the line to the outside.=
 &nbsp;It is hard to read the regulator, as it is under the porch, which is w=
hy I gave the stats for the water heater.&nbsp;</div><div class=3D""><br cla=
ss=3D""></div><div class=3D"">=46rom Pat:</div><div class=3D""><br class=3D"=
"></div><div class=3D""><blockquote type=3D"cite" class=3D""><div dir=3D"aut=
o" class=3D"">Silly question. Did you talk to the folks that installed the g=
enerator?</div></blockquote></div><div class=3D""><div dir=3D"auto" class=3D=
""><br class=3D""></div></div><div dir=3D"auto" class=3D"">Not silly, but it=
 isn=E2=80=99t a permanent whole house generator. &nbsp;I=E2=80=99ve thought=
 about installing one, and certainly will if weather patterns change enough t=
hat we are dealing with this more often, but the price didn=E2=80=99t seem j=
ustified given the amount of use that it would get. &nbsp;As I said, I have h=
ad this one for about 8 years and never had to use it. &nbsp;My main worry h=
as always been an extended outage in the winter, but we don=E2=80=99t need m=
uch amperage with propane heat for the furnaces. (Separate heat in the shop.=
 &nbsp;Hey! &nbsp;Shop content!). &nbsp;I haven=E2=80=99t done the exact mat=
h, but believe that&nbsp;4000 Surge Watts/3250 Running Watts will be enough t=
o keep things going here for as long as it takes=E2=80=A6as long as I can ru=
n off of the in-ground tank.</div><div><br class=3D""><blockquote type=3D"ci=
te" class=3D""><div class=3D"">On Aug 21, 2021, at 3:46 PM, Pat Horne &lt;<a=
 href=3D"mailto:patintexas@icloud.com"; class=3D"">patintexas@icloud.com</a>&=
gt; wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><met=
a http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf-8" class=3D=
""><div dir=3D"auto" class=3D"">Silly question. Did you talk to the folks th=
at installed the generator?<div class=3D""><br class=3D""></div><div class=3D=
"">Peace,</div><div class=3D"">Pat<br class=3D""><br class=3D""><div dir=3D"=
ltr" class=3D"">Pat Horne&nbsp;<div class=3D"">We support Habitat for Humani=
ty</div><div class=3D""><br class=3D""></div></div><div dir=3D"ltr" class=3D=
""><br class=3D"">On Aug 21, 2021, at 1:08 PM, Jim Stone &lt;<a href=3D"mail=
to:1789alpine@gmail.com" class=3D"">1789alpine@gmail.com</a>&gt; wrote:<br c=
lass=3D""><br class=3D""></div><div dir=3D"ltr" class=3D"">=EF=BB=BF<meta ht=
tp-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8" class=3D"">=
I am on Eastern Long Island, directly in one of the projected paths of Hurri=
cane Henri. &nbsp;We are being told to plan for 7-10 days without power, alt=
hough FWIW we were only powerless for 4 days following Sandy. &nbsp;Shortly a=
fter Sandy I purchased an LP Generator (<a href=3D"https://www.jbtools.com/b=
uffalo-tools-gen4000lp-4000-watt-propane-generator/?wi=3Doff&amp;gclid=3DCjw=
KCAjwyIKJBhBPEiwAu7zll1U54VH4euJneVO0jmOzjdgwy6-t0MUdEtaEHYXf_7W0sQxKo54Tpho=
C__4QAvD_BwE" class=3D"">https://www.jbtools.com/buffalo-tools-gen4000lp-400=
0-watt-propane-generator/?wi=3Doff&amp;gclid=3DCjwKCAjwyIKJBhBPEiwAu7zll1U54=
VH4euJneVO0jmOzjdgwy6-t0MUdEtaEHYXf_7W0sQxKo54TphoC__4QAvD_BwE</a>) which, o=
f course, I have never needed, although I do run it periodically to be safe.=
 &nbsp;It is designed to run off of LP tanks and comes with a standard regul=
ator. &nbsp;A little Googling shows the following specs for the regulator:<d=
iv class=3D""><br class=3D""></div><div class=3D""><ul class=3D"MailOutline"=
><li class=3D"">Low Pressure Regulator</li><li class=3D"">Inlet Pressure: &n=
bsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 25-250PSIG</li><li class=3D""=
>Outlet Pressure: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;280mmH2O=3D (11"W=
.C.)</li><li class=3D"">Flow Capacity(MAX): &nbsp; &nbsp;119000(BTU/hr)</li>=
</ul><div class=3D""><br class=3D""></div></div><div class=3D"">We use Propa=
ne for DHW and heat and have a 500 gallon in-ground tank. &nbsp; I had an ou=
tside gas line stubbed out when the house was remodeled, just in case I ever=
 needed it and I would like to be able to connect the generator directly to t=
he house supply and avoid having to depend on the portable tanks. &nbsp;The h=
ouse supply is regulated and, as an example, here are the specs for the wate=
r heater:</div><div class=3D""><br class=3D""></div><div class=3D""><ul clas=
s=3D"MailOutline"><li class=3D"">Max Inlet Gas Pressure: &nbsp; &nbsp;13.0 =E2=
=80=9CW.C.</li><li class=3D"">Min Inlet Gas Pressure: &nbsp; &nbsp; 8.0 =E2=80=
=9CW.C.</li><li class=3D"">Recovery Rating: &nbsp; &nbsp; &nbsp; &nbsp; &nbs=
p; &nbsp; &nbsp; 206/Gallons/HR</li><li class=3D"">Max Working Pressure: &nb=
sp; &nbsp; 150psi</li><li class=3D"">Max Output: &nbsp; &nbsp; &nbsp; &nbsp;=
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 180,000 BTU/HR</li><li cla=
ss=3D"">Max Input: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &=
nbsp; &nbsp; &nbsp; &nbsp; &nbsp;11,000 BTU/HR</li><li class=3D"">Manifold P=
ressure: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 3.9 =E2=80=9CW.C. (For Ma=
x Input)</li></ul><div class=3D""><br class=3D""></div><div class=3D"">Am I m=
issing anything, or should I be able to hook the generator directly to the h=
ouse supply without the regulator? &nbsp;For the record, I tried it once wit=
h the regulator attached and it barely ran and didn=E2=80=99t put out any ap=
preciable power. &nbsp;I always meant to research this before I needed it, b=
ut like many of us, never got around to it until now.</div><div class=3D""><=
br class=3D""></div><div class=3D"">Thanks,</div><div class=3D"">Jim</div><d=
iv class=3D""><br class=3D""></div></div><div class=3D""><br class=3D""></di=
v><span class=3D"">_______________________________________________</span><br=
 class=3D""><span class=3D""></span><br class=3D""><span class=3D""><a href=3D=
"mailto:Shop-talk@autox.team.net"; class=3D"">Shop-talk@autox.team.net</a></s=
pan><br class=3D""><span class=3D"">Donate: <a href=3D"http://www.team.net/d=
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