How does a Drayton Motorised valve work?

Drayton diverter valves are spring return valves which allow water to be directed out of either one of two outlets. When the drive motor is de-energised the flow is from inlet Port C and out of Port B. When the motor is energised, flow is out of Port A.

What does a Drayton zone valve actuator do?

This device is used to control a 2 port valve on a heating system, and is basically a motor in a box.

What is a 2 port zone valve?

Reliance Two Port Zone Valves are designed for use in heating systems to isolate zones or equipment when the motor within the zone valve is de-energised. A Two Port Zone Valve can shut off water flow or control & regulate water flow through domestic and light commercial central heating systems.

What happens when a zone valve fails?

If power to the valve fails, it can be opened manually, allowing some circulation by gravity (Figure 4). The valve automatically returns to normal operation when power is restored.

Why is my diverter valve stuck?

Diverter valves can become damaged or stuck. This is because they’re a moving part and can be oscillating between being open or closed many times a day. However, they are fixable. If you have no hot water, try turning the heating on.

How is Drayton za5 / 679-2 2-port motorised valve 22mm?

Drayton ZA5/679-2 2-Port Motorised Valve 22mm 22mm Compression is rated 4.3 out of 5 by 51 . Add to saved list… These reviews are managed by Bazaarvoice and comply with the Bazaarvoice Authenticity Policy, which is supported by anti-fraud technology and human analysis. 47 of 51(92%)reviewers would recommend this product.

How big does a Drayton 2HD trolley need to be?

Currently 2HD is only available for trolleys up to 16.5kg or a maximum order dimensions of 800 x 500 x 500mm. We’ll alert you if your trolley exceeds these limits. Models feature new “snap-on” actuators and have industry-standard wiring and dimensions.

Do you need to change actuator on Drayton za5?

If you have the older bolt on type of actuator, you will need to drain down the system and change both actuator and body for the ZA5. If you have the modern pop on/off style actuator, then you will be able to replace the Switchmaster actuator head for the Drayton ZA5 actuator head without the need to drain your system.

Are there any heating controls in Drayton UK?

Welcome to the Drayton Advice Centre. Here you will find guidance on how to make your home more comfortable and energy efficient using heating controls. Around 70% of UK homes do not have the minimum level of controls meaning that thousands of people are missing out on the cost savings they can bring.