[Shop-talk] LP Generator supply
Donald H Locker
dhlocker at comcast.net
Sun Aug 22 04:24:07 MDT 2021
I'm surprised to see responses assuming natural gas is the house supply.
In the original post, Jim specifically stated that he has LPG/Propane
house heating with a large tank for supply. Someone, somewhere along the
line missed that fact and that piece of conversation went off the rails.
Donald.
--
> On Aug 21, 2021, at 1:08 PM, Jim Stone <1789alpine at gmail.com> wrote:
>
> I am on Eastern Long Island, directly in one of the projected paths of
> Hurricane Henri. We are being told to plan for 7-10 days without
> power, although FWIW we were only powerless for 4 days following
> Sandy. Shortly after Sandy I purchased an LP Generator
>
<https://www.jbtools.com/buffalo-tools-gen4000lp-4000-watt-propane-generator/?wi=off&gclid=CjwKCAjwyIKJBhBPEiwAu7zll1U54VH4euJneVO0jmOzjdgwy6-t0MUdEtaEHYXf_7W0sQxKo54TphoC__4QAvD_BwE>
> which, of course, I have never needed, although I do run it
> periodically to be safe. It is designed to run off of LP tanks and
> comes with a standard regulator. A little Googling shows the
> following specs for the regulator:
>
> Low Pressure Regulator
> Inlet Pressure: 25-250PSIG
> Outlet Pressure: 280mmH2O= (11"W.C.)
> Flow Capacity(MAX): 119000(BTU/hr)
>
>
> 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 case I ever needed it and I would like to be able to connect
> the generator directly 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 the water heater:
>
> Max Inlet Gas Pressure: 13.0 “W.C.
> Min Inlet Gas Pressure: 8.0 “W.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 “W.C. (For Max Input)
>
>
> Am I missing anything, or should I be able to hook the generator
> directly to the house supply without the regulator? For the record, I
> tried it once with the regulator attached and it barely ran and didn’t
> put out any appreciable power. I always meant to research this before
> I needed it, but like many of us, never got around to it until now.
>
> Thanks,
> Jim
On 2021-08-22 5:56 a.m., nick brearley wrote:
> Surprised nobody's responded to Phil's very valid concerns.
>
> I realise that this may not be helpful to Jim who's having to study the
> weather radar at hourly intervals but I did a net search and came up
> with this among other items:
>
> https://generatorgeek.com/can-a-propane-generator-run-on-natural-gas/
>
> Short answer, no without modification. As a minimum it must be worth a
> phonecall to http://www.sportsmangenerators.com/contact.html. Although
> bearing in mind these are wholesale importers they may not be the
> ultimate authority. And not available until Monday.
>
> Good luck with the storm.
>
> Nick Brearley
>
>
> On 21/08/2021 20:19, Phil Ethier wrote:
>> No. LP gas and household natural gas are different. You need to rejet
>> products to change over.
>>
>> Sent from my iPhone
>>
>>> On Aug 21, 2021, at 1:07 PM, Jim Stone <1789alpine at gmail.com> wrote:
>>>
>>> I am on Eastern Long Island, directly in one of the projected paths
>>> of Hurricane Henri. We are being told to plan for 7-10 days without
>>> power, although FWIW we were only powerless for 4 days following
>>> Sandy. Shortly after Sandy I purchased an LP Generator
>>> (https://www.jbtools.com/buffalo-tools-gen4000lp-4000-watt-propane-generator/?wi=off&gclid=CjwKCAjwyIKJBhBPEiwAu7zll1U54VH4euJneVO0jmOzjdgwy6-t0MUdEtaEHYXf_7W0sQxKo54TphoC__4QAvD_BwE
>>> <https://www.jbtools.com/buffalo-tools-gen4000lp-4000-watt-propane-generator/?wi=off&gclid=CjwKCAjwyIKJBhBPEiwAu7zll1U54VH4euJneVO0jmOzjdgwy6-t0MUdEtaEHYXf_7W0sQxKo54TphoC__4QAvD_BwE>)
>>> which, of course, I have never needed, although I do run it
>>> periodically to be safe. It is designed to run off of LP tanks and
>>> comes with a standard regulator. A little Googling shows the
>>> following specs for the regulator:
>>>
>>> * Low Pressure Regulator
>>> * Inlet Pressure: 25-250PSIG
>>> * Outlet Pressure: 280mmH2O= (11"W.C.)
>>> * Flow Capacity(MAX): 119000(BTU/hr)
>>>
>>>
>>> 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 case I ever needed it and I would like to be able to connect
>>> the generator directly 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 the water heater:
>>>
>>> * Max Inlet Gas Pressure: 13.0 “W.C.
>>> * Min Inlet Gas Pressure: 8.0 “W.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 “W.C. (For Max Input)
>>>
>>>
>>> Am I missing anything, or should I be able to hook the generator
>>> directly to the house supply without the regulator? For the record,
>>> I tried it once with the regulator attached and it barely ran and
>>> didn’t put out any appreciable power. I always meant to research
>>> this before I needed it, but like many of us, never got around to it
>>> until now.
>>>
>>> Thanks,
>>> Jim
>>>
>>>
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>>
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>
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