Check the listing for details. SIT Nova 820 Propane Valve 0820636 LP Gas Only Millivolt Fireplace Vent Free. Color: Silver, Condition: Open box. Listed at 129.99 USD. New, SIT- 820 Nova Propane LP gas only, millivolt valve. Model 0820636. Valve is new from a master carton so has no packaging. Cross reference part numbers are also listed and compatible. These were used in many models of fireplaces. Please view pictures as part of your description. **Please feel free to ask any questions you may have. I will accept returns and my 100% rating is very important, if you feel the need to leave negative feedback please contact me beforehand, so we can discuss it. I'm sure we can come to an agreement.**Free shipping items returned WILL NOT receive a 100% refund for reasons unrelated to my listing, i.e. doesn't fit, changed mind, etc. Refund will be total paid by buyer - (minus) actual shipping cost I paid. **I describe my items for sale/bid the best that I can. I will never intentionally misrepresent anything I have listed. **USPS or Fed Ex shipping dependent on price. **Feedback is greatly appreciated.