Lochinvar & A.O. Smith 100093971 Gas Valve

Is 100093971 also WV886081318 and does HoneyWell make this and who is Resideo.Thank you

Yes, same thing.

If item Lochinvar Part Number 100093971 doesn't resolve my problem, may I return it?

Item can be returned if it has not been installed and in its original condition and packaging. Please see detailed return policy below. Thank you.

https://www.gsistore.com/pages/shipping-and-return-policy