PBA… Premix Blower Adapters precisely control the flow of air and introduce fuel gas before a premix blower.

• Supports high burner turndown such as 40 to 1
  
• Multiple sizes for optimal pressure drop and flow control
  
• Shaft supported by precision bearings for repeatable performance
  
• Swing through design with low leakage rate at full closed position
  
• Low pressure drop at the full open position
  
• Corrosion-resistant housing and internals
  
• Clear position indication on a 2” laser-etched anodized dial
  
• Gas inlet available upstream or downstream of the valve disc