276°
Posted 20 hours ago

Drayton ZA5 Actuator 5 Wire Zone Valve Actuator 27650 *New*

£31.53£63.06Clearance
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ZTS2023
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About this deal

If rotating the shaft doesn't effect flow (or if the shaft is stuck) then a whole valve will be needed.

By far the most failure prone part of my entire system - which is why I have now switched it over to a momo. Yes I know in some systems the boiler is controlled by a micro switch in the valve actuator(s) indicating that a valve is open and heat is needed.Invensys were formed in 1998, following the merger of Siebe and BTR, resulting in a group with more than 150 subsidiaries throughout the world, and including well-known brand names such as Robertshaw, Eberle, Ranco, Eliwell, Satchwell Control Systems and of course, ACL-Drayton. Read more about the condition New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). We currently have a Drayton ZA5/679-3 and there is no longer correct switching between the 2 exit valves (boiler water + heating water). Other technologies are used for similar purposes as a cookie on other platform where cookies are not available or applicable, such as the advertising ID available on mobile devices. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data.

The gear ratio between valve shaft and motor shaft is high so a minute amount of resistance to turning in the motor requires a lot of force from the spring. Yes, I do keep a second momo to hand, ready to install, but so far I have not needed to make use of the spare momo. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page.

The CD with the software for the Diagnostics for the Vaillant boiler Vrdialog 8102 is very out of date.

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