This brand new Diffuser is 100% dimensionally and functionally equivalent to Cleaver Brooks Part Number 275-253, except for the following improvements over the original CB part:

• Diffuser, Burner For Boiler Models CB 250-300 HP, High Turndown
• 100 % Heat resistant 309 stainless steel construction
• All parts laser cut for extreme accuracy
• 100% TIG-welded in lieu of the the spot welded construction used by CB