The PEX A Monoflow Tee Pipe Fitting by Midline Valve is specifically designed for hydronic heating applications, featuring a 3/4"× 1/2" size. This fitting is ideal for connecting multiple pipes in plumbing systems, ensuring a secure and reliable connection for efficient heating functionality. With the trusted Midline Valve brand, you can rely on the quality and durability of this product for your hydronic heating needs. Good Buy!