This push-in type Tee fitting is designed for use with 8mm (5/16") Dekabon Tubing (Part No. 2456-.312). It will not work properly with bare aluminum tubing. Sold individually.
Note: The SPA fire systems we stock use 6mm (1/4") tubing, not 8mm. We stock the SPA Push-In Tee Fitting for 6mm (1/4") Dekabon Tubing (Part No. 2448) for the systems we sell.