Vaillant WH40 Low Loss Header

The main purpose of this Vaillant WH40 low-loss header is to maintain the correct flow of water through the boiler and allow a constant temperature supply of water to reach multiple heating circuits downstream of the low-loss header connection.

• Height - 500mm
• Width - 115mm
• Connections - 1.1/4" BSP (f)
• Flow Rate - 3.5 m3/Hr (3500 L/Hr)
• Pressure Drop - 1.40 mb