This is a good used White Rodgers 2-stage NAT gas valve. The White Rodgers # is 36G55 503. Carrier model #EF33CW191. Removed from an operating furnace.
If you need this valve you may need it quickly. We will ship immediately after payment clears. Contact us if you have any questions.
If any shipping options are chosen other than our free shipping, those funds will not be refunded for any reason if the part is returned.