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BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 22115
Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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I have a model HC145C,I'm trying to covert to natural gas

Customer Question

Hi I have a model HC145C,I'm trying to covert to natural gas from propane,I change the burner orifice to # 34natural gas! and the gas valve model # is VR8200H also #1137 is on the valve body , do I need to change the pilot orifice? and is there a spring ( in the gas valve to change too ? or can that just be adjusted? Thank you for any help you can give me.
Submitted: 1 month ago.
Category: HVAC
Expert:  BillyHvac replied 1 month ago.

Hello,

My name is ***** ***** I will do my best to assist you. I am looking over your question now and will respond shortly.

Expert:  BillyHvac replied 1 month ago.

For the pilot you will need a new orifice.

And you are correct about the gas valve...you will need to swap the spring.

These conversion kits are very common and available many places.

Billy

Expert:  BillyHvac replied 1 month ago.

you will also need to change the pressure from 3.5" wc to 10.5" wc

Customer: replied 1 month ago.
Hi Billy, Thanks.
Expert:  BillyHvac replied 1 month ago.

you are very welcome.

Also please note that once you rate the service at top of page you have 30 days of follow up. So if you need some help just let me know.

Billy