The part will not fit our application. A photo and updated measurements were sent to customer service on June 3rd. As of June 9th I have not received a response.

Chicago Faucet Shoppe is the ONLY place I have found that carries Harden fittings. These folks have sourced a supplier to make parts for a company no longer in business. Andrew is the best. Send him pictures of your old fittings - put a ruler or use calipers with pics. I am sure he can identify ANY fitting with good photos. You will be on your way. My whole master bath with “formerly” Harden cartridges is up to task with easy operation and no leaks! Especially for those rare cartridges and fittings, Chicago Faucet Shoppe is your one-stop shoppe!