Drayton 22mm angled automatic bypass valve for TRV-equipped heating systems. Automatically maintains minimum flow (adjustable 0.05–0.5 bar), reduces noise and protects pump and boiler. Brass body with chrome finish and 22mm compression connections — set-and-forget reliability.

• The bypass should be installed between flow and return with flow in the direction of the arrow
• Maintains optimum flow
• Automatic operation
• Set and forget
• Ensures quiet operation
• High quality
• Reliable
• 22mm compressions joints
• Setting range between 0.05 to 0.5 bar
• Working temperature is 120°C intermittent