Heating, Air Conditioning, Fridge, HVAC/LP Gas regulator for fireplace

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Question
Hello Joseph,  This is Joe from Pennsylvania.  I am a retired educator but have been doing home improvement work since my freshman year in high school.  I have done a fair amount of plumbing and a limited amount of heating work (mostly my own and for friends) however, I have little experience with gas.  I recently installed a gas fireplace in our sunroom and had to convert it from natural to LP gas since I have no gas line to my property.  No problems with that as it was a fairly simple task.  However, I am not certain what regulator to use and the manufacturer's website is of no help ( KOZYHEAT.COM).   I am also not sure if I need a low or high pressure regulator.  The fireplace is rated for 30,000 BTUs input for LP and I have a 100 lb LP tank.  
Any help with this would be greatly appreciated including a brand name and/or website where I can get one.  Thanks again---JOE
*****Besides having the same first name we must be close in age---I was born in 1952!

Answer
Joe,

Go with a low pressure regulator, mounted at your 100lb tank. your heater should be running at somewhere around 11" .if your heater has a pressure tap to check your pressure at the outlet of your gas valve ,and it's adjustable . Call the manufacture and ask them exactly what to set it for.Again for propane it should be somewhere around 10"-11 ".........I was born in 1952 also, but who is older ? June for me. sorry I could not be more help, depending on your run from the tank to heater determines the OD size of the tubing along with BTU rating, Which I do not know off hand. A Local Propane Company would have the correct info.

I Goggled the below


Vapor pressure of liquid propane at various temperatures

Temperature of Liquid (F)
Approximate Pressure of Gas (psi)


-10
16.7

0
23.5

10
31.3

20
40.8

30
51.6

40
63.3

50
77.1

60
92.5

70
109.3

80
128.1  

Heating, Air Conditioning, Fridge, HVAC

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40+ years diversified experience.An HVAC/Refrigeration Self Employed Contractor since 1986. NATE Certifield. Answer questions pertaining to Residential and Commercial Air Conditioning , Warm Air Heating, Heat Pump systems.Mechanical and Electrical troubleshooting of these systems.Be as detailed as possible when describing problem.Packaged unit or split systems.No appliance questions.

Experience

Installation and Troubleshooting, Mechanical and Electrical, in following areas, Refrigeration ( Walk In and Reach In Coolers and Freezers ) Commercial Roof Top and Packaged Heating/Cooling ( Natural Gas,Propane, Electric, and Heat Pumps ) Computer Room Air Conditoning Systems,Commercial Residential Packaged and Split Systems Air Conditoning and Heat Pumps.Warm Air Oil , Natural and Propane Gas Heating systems.

Education/Credentials
Graduated from Private Technical School in 1975. An HVAC/Refrigeration Contractor . Have Unlimited Heating/Piping and Cooling Contractor License.Limited Sheetmetal Contractors License.NATE Certifield. York Certifield Master Heat Pump Technician 1986. Served 33 years combination Active Duty Air Force , Air Force Reserves and Air National Guard in the HVAC/Refrigeration Shop/Mechanical Shop. Troubleshooting/Installing HVAC/Refrigeration Equiptment Worldwide. Retiring in 2003 as a Senior NCO ,and a Mechanical Superintendent.

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