Question about Sta Rite Sta-Rite Max-E-Therm High Effiency - Propane Heater - 333,000 BTU

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Yesterday I had my heater converted fro LP to Natural gas (technician replaced orifice). Now heater makes loud whistling sound when burner is on. Stop making noise when heater is turned off and only blower is running.

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The wrong orifice was installed. Sta-Rite changed their blower configuration 3 years ago. Heaters older than that have a flat orifice that works with the older style blowers. Newer heaters are equipped with a tapered orifice. Mixing a flat with a new blower causes whistling. Mixing a tapered with an old blower causes whistling. Good luck!

Posted on Dec 04, 2009

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Air to gas mix drill 1/2 hole on air orfice white plastic with two clear tubes right above the air intake hole on the plastic

Posted on May 16, 2013

  • ledio spahia May 16, 2013

    not clear anoff drill the hole on the plastic above the exsting hole

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Changing orifice.

Posted on Nov 18, 2009

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1 Answer

Can i convert a Rheem ECO 180DVP (LP gas unit) to a natural gas unit ?


Rheem water heaters should not be converted from propane to natural gas. The burners have been optimized for the rated gas and will not work as well after conversion. (Unlike ranges where the gas/air flow ratios can be adjusted when the burner orifices and regulator are swapped, the water heater doesn't have that option.)

I wish I had better news for you. I recommend you get a new water heater for the LNG service; it will be safer and more efficient.

Cindy Wells

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Changing your gas appliance from natural gas to LP or vice versa.


You have an LP gas stove which you really like and would like to take to a new home but the new home has a natural gas hookup. Since natural gas is already available it would be convenient to be able to use it. Can you convert your unit over to work on natural gas?

Yes it is possible to convert any LP gas appliance to natural gas or from natural gas to LP. The only difference is the size of the orifice used in the burner.

LP gas is composed of a much larger molecule than natural gas and requires a larger orifice to output the same amount of gas as a natural gas unit at the same setting. Therefore if you used an LP stove on natural gas it would produce too much heat and burn rather intensely. If you used a natural gas stove on LP it would not have much flame at all. You can see the problem. The solution is also obvious. You need the correct orifice.

Changing the orifice is easy. It is located in the middle of the burner and unscrews out of the unit. Install the new one the opposite way. Do not overtighten it.Usually the burners are made of soft metal and can strip easily.

The parts you would need are available at most good appliance stores but I would recommend the following site http://www.repairclinic.com . The parts will be cheaper at repairclinic. They have parts for almost any brand and a great search engine. They also have excellent videos showing how to make the repair.

Thanks for using FixYa and for the great rating.

hardrocko

on Dec 10, 2010 | Kenmore 40494 / 40495 / 40499 Electric...

1 Answer

How do I convert my rheem water heater from lp to natural gas model#21vp40-1p


Call Rheem
Generally the company does not support changing type of gas since propane burns much hotter and has more pressure than natural gas.
You need different gas control valve, and need cast iron burner and orifice than matches that specific gas control valve.
http://waterheatertimer.org/images/IMG_1826-LP-burner-450.jpg
http://waterheatertimer.org/Water-heater-manufacturers.html

Gene

Sep 14, 2014 | Water Heaters

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Is a 650 delta gas valve for natural gas be used with lp


no.
propane burns much hotter than natural gas, and has higher pressure
gas valve and burner and orifice must be changed to switch between natural gas and propane
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html
Most manufacturers do not support converting gas on heater.

Gene

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Convert lp natural gas


To convert a lincoln LP gas oven to a natural gas, you actually first of all need to buy from the supplier an orifice ment for natural gas and change. The difference in the orifices could be in the size of orifice aperture.
The orifice i'm talking about is located in the burner assembly. you got to dis assemble the burner so as to get to it.
After that you need to adjust the main gas manifold when the oven is on. The adjustment must be done such that the pilot flame is not yellowish

Jan 28, 2014 | Lincoln Ovens

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Convert LP Lincoln oven Impinger II series 1700 to natural gas series 1600


Yes. You need a set of natural gas orifices to replace the LP ones on the oven and all the burners too.

Jan 28, 2014 | Ovens

3 Answers

I would like to convert a grill that was used on natural gas back to propane. Can I just purchase a regulator and hose and be good, or do I need to change anything else on the grill?


Burner orifices must be resized or adjusted to accommodate higher pressure LP.
Air shutters should be opened all the way to allow maximum air to gas ration.

Sep 14, 2011 | Barbeques Galore Capt'n Cook 3-Burner...

1 Answer

We like to convirt LP Water Heater to Natural Gas Water Heater, PG & E told us to replace pilot burner orifice. My question is , 1- is it possiable to do that? 2- If it is What is the part number...


yasharer,

Yes it is possible to convert any gas appliance to natural gas or from natural gas to LP. The only difference is the size of the orifice used in the burner. I have a tip at http://www.fixya.com/support/r7207798-changing_gas_appliance_from_natural_gas which explains everything you will need to know to get the part and change it out.

Thanks for using FixYa and for the great rating.

hardrocko

Dec 10, 2010 | Heating & Cooling

1 Answer

We have a dynna glo zero clearance for Natural Gas


Before you attempt to covert to lp. You need to check the flue. Black smoke is cause by incomplete combustion. So it may be now plug with black soot. Heat-exchanger may be damage Before you invest in a lp kit. Make sure it is worth it. To convert you need the main burner orifices and lp spring for gas value. Once you replace these parts you must adjust gas pressure, nat gas is measured at 3.2 - 3.5wc lp is measured 10.5 - 11.00 wc. In my honest opinion this is to dangerous for customer to attempt. Please a HVAC contractor inspect unit and install lp kit.

Nov 20, 2009 | Dyna-Glo D-E37 Wall Mounted Panel Heater

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