https://www.deppmann.com/blog/monday-morning-minutes/hydronic-pump-piping-trim-suction-diffuser-fittings/
Suction Diffuser Fittings in Hydronic Pump Piping and Trim
Jan 22, 2024 - A suction diffuser is a combination elbow, reducer, strainer, and straightening vane that often reduces labor. This MMM discusses the purpose of the suction...
suction diffuserfittingshydronicpumppiping
https://www.gellertco.com/suction-diffuser-rear-strainer-pullout-rsp-2/
Suction Diffuser Rear Strainer Pullout (RSP) | The Gellert Company
suction diffuserrearstrainerpulloutrsp