Danfoss Auto Bypass Valves

Danfoss AVDO Auto Bypass 15mm

Price: £41.40 (£49.68 Including VAT at 20%)

- Simple, easy to set, self acting solution
- Reduces risk of noise in systems fitted with radiator thermostats
- Improves system efficiency
- Maintains minimum flow rates through boiler and pump
- Essential in low water content boiler systems


Straight valve design comprising inlet with internal thread and outlet with union nut and tailpiece.

Danfoss AVDO Auto Bypass 22mm

Price: £49.70 (£59.64 Including VAT at 20%)

- Simple, easy to set, self acting solution
- Reduces risk of noise in systems fitted with radiator thermostats
- Improves system efficiency
- Maintains minimum flow rates through boiler and pump
- Essential in low water content boiler systems


Straight valve design comprising inlet with internal thread and outlet with union nut and tailpiece.

Danfoss AVDO Auto Bypass 28mm

Price: £69.50 (£83.40 Including VAT at 20%)

- Simple, easy to set, self acting solution
- Reduces risk of noise in systems fitted with radiator thermostats
- Improves system efficiency
- Maintains minimum flow rates through boiler and pump
- Essential in low water content boiler systems


Straight valve design comprising inlet with internal thread and outlet with union nut and tailpiece.

Danfoss ARV 22mm Auto Bypass

Price: £29.00 (£34.80 Including VAT at 20%)

- Simple, easy to set, self acting solution
- Reduces risk of noise in systems fitted with radiator thermostats
- Improves system efficiency
- Maintains minimum flow rates through boiler and pump
- Essential in low water content boiler systems


The ARV 22 valve is a compact angled pattern design available only in 22mm. The ARV22 is a well engineered solution, competitively priced and provides a sufficient bypass for most small to medium sized domestic heating systems.

Boss Auto Bypass Valve 22mm

Price: £19.90 (£23.88 Including VAT at 20%)