Drayton

Drayton ZA5/679-2 22mm 2-Port Motorised Valve | 230V 5-Wire Zone Valve

Drayton

Drayton ZA5/679-2 22mm 2-Port Motorised Valve | 230V 5-Wire Zone Valve

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£51.00 GBP inc. VAT
13 in stock

Genuine Drayton ZA5/679-2 22mm 2-port motorised zone valve (part 27100) with 230V 5-wire spring-return actuator. Brass body, 22mm compression connections, manual override lever and 100% tight shut-off. The snap-on actuator head replaces without draining the system, making it an ideal direct replacement for S-Plan heating and hot water zone control.

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Drayton ZA5/679-2 22mm 2-Port Motorised Valve — 230V 5-Wire Zone Valve

The Drayton ZA5/679-2 is a genuine 22mm two-port motorised zone valve built for domestic and light-commercial central heating and hot water systems. Supplied complete with a brass valve body and a snap-on 230V spring-return actuator, it delivers reliable on/off flow control for S-Plan and zoned heating layouts, giving you independent control of heating and hot water circuits from a single wiring centre.

Also listed under Drayton part number 27100, this valve uses industry-standard 5-wire wiring and industry-standard dimensions, making it a straightforward like-for-like replacement for most common 22mm 2-port zone valves already installed in UK properties.

Key Features

  • 22mm compression connections — direct fit to standard 22mm copper pipework, no soldering required
  • Snap-on actuator head — the motor head detaches and replaces without draining the system, cutting fault-finding and repair time dramatically
  • Spring-return operation — the valve fails safe to the closed position on loss of power, closing in approximately 6 seconds
  • Manual override lever — hold the valve open for filling, draining, flushing or commissioning the system
  • Valve position indicator — see open/closed status at a glance without removing the head
  • 5-wire SPST auxiliary switch — provides a switched live output to fire the boiler and pump once the valve has fully opened
  • 100% tight shut-off — no pass-through when the zone is satisfied, preventing gravity circulation and wasted fuel
  • Brass valve body — corrosion-resistant construction suited to long service life on treated heating water

Technical Specification

Brand Drayton
Model ZA5/679-2
Manufacturer Part Number 27100
Valve Type 2-Port Motorised Zone Valve
Connection Size 22mm compression
Supply Voltage 230V AC, 50Hz
Rated Current 3A resistive / 1A inductive
Wiring 5-wire, SPST auxiliary switch
Cable Length 1 metre
Kv Value 4.8
Max. Differential Pressure 0.7 bar
Max. Static Pressure 8.6 bar
Flow Temperature Range 5°C to 93°C
Closing Time Approx. 6 seconds (spring return)
Actuator Snap-on, replaceable without draining
Guarantee 1 year manufacturer's warranty

Wiring Reference (5-Wire)

The Drayton ZA5/679-2 follows the standard UK 5-wire zone valve colour convention:

  • Green/Yellow — Earth
  • Blue — Neutral
  • Brown — Live in to the valve motor (from the room or cylinder thermostat)
  • Grey — Auxiliary switch common
  • Orange — Switched live out to the boiler and pump

Always wire in accordance with the instructions supplied with the valve and current IET Wiring Regulations.

Typical Applications

  • S-Plan systems — use two ZA5/679-2 valves to control heating and hot water circuits independently
  • S-Plan Plus — add further valves for multi-zone properties with separate upstairs and downstairs heating
  • Underfloor heating manifolds — zone control on 22mm primary flow circuits
  • Unvented and vented cylinder circuits — hot water priority control
  • Direct replacement — swaps into existing 22mm 2-port zone valve installations using standard dimensions

Common Symptoms This Valve Fixes

  • Radiators heating up when only hot water is called for (or the reverse)
  • Boiler firing but the pump not running, or the boiler failing to fire on a zone call
  • Buzzing, humming or clicking from the airing cupboard
  • Valve motor running continuously or failing to return to closed
  • Hot water or heating stuck permanently on due to a passing or seized valve

Why Buy the Genuine Drayton Valve?

Fitting the genuine Drayton ZA5/679-2 guarantees correct Kv flow characteristics, correct switching behaviour and a proper mechanical fit with the existing valve body — something pattern parts frequently get wrong. Where only the motor head has failed, the snap-on design means you can swap the actuator alone and leave the pipework and system water untouched.

Installation Note

Installation and wiring should be carried out by a qualified heating engineer or competent electrician. Isolate the electrical supply and drain or isolate the relevant circuit before removing an existing valve body. The actuator head can be changed with the system full.

Delivery Times 
All our deliveries are made by some of the countries most trusted couriers, including Royal Mail, PacelForce, DHL , Fastway Curriers. For most larger sized deliveries, you will receive a call from the courier an hour before the scheduled delivery time.

Free Delivery
Free delivery when you spend £150+ on all our stocked items, up to the maximum 20kg in weight (UK & Ireland Only) To be eligible for this service, you must place your order before 1pm on the previous day. 

Delivery Drop Off
It is important to note that we use external shipping couriers. They are responsible for delivering the item(s) to the kerb-side. They are not responsible for delivering items into your home*.
*Please note, for large orders we advise that you seek assistance from friends or neighbours to assist with moving your order, as often the driver will not be able to assist you. Some items may be delivered on a pallet. It is your responsibility to dispose of the pallet, however, we recommend keeping it for the first 14 days in case you need to return your item(s).

Failed Deliveries
In the unlikely event that delivery is attempted when you are not at home, we will contact you by phone and re-book another time that suits you. Please note, there may be a re-delivery charge added at our discretion, which will be reviewed on a case by case basis.

Direct Deliveries from Distribution Centers
To help you receive your items as quickly as possible, parts of your order may be dispatched directly from a distribution center (Ie) Amazon. If this is the case, you will be contacted directly by them to arrange delivery for the products concerned. Please note, these items will arrive at a different time to products dispatched from our head warehouse. Some distribution centers may take between 2-3 days to deliver items.

Non-Stocked Items
Some items are ordered into our warehouse especially for your orders. This means there may be additional lead times on your order arriving. The estimated delivery time for non-stocked items is 5-7 working days. 
For orders that contain a mixture of stock and non-stock items, excluding items delivered directly from distribution centers, we will deliver all items together. We will make you aware of this when we phone or email you to confirm the delivery date. You will be given the option to receive them separately as well, however there may be additional shipping charges.

Shipping Rates
All Orders to the UK & Ireland *ONLY*up to 20kg £150+ is Free
Pallet Rates are priced on application and order... delivery lead times will also vary based on post code.

Returns
Returns are subject too a 50% re-stocking charge.

  • Items installed/fitted without professional understanding IE Oftec/SafeGas Registered Installer certificates, invalidate any warranty of said item bought.. This is however is at the companies discretion.
  • All products must be inspected within 24hrs. Goods are non-returnable after this period. 

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Several types of goods are exempt from being returned. Goods including but not limited to printed circuit boards, control boxes, chemicals, hazardous materials, flammable liquids or gases. Please ask if you are unsure if you can return your goods.
Some items are not returnable such as PCB Boards and Boilers if they are opened, There also will be a 25% Handling fee for All Items if accepted for return.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer unless otherwise instructed by Spares Direct.
There are certain situations where only partial refunds are granted (if applicable):

  • Any item not in its original condition, is damaged or missing parts for reasons not due to manufacturer / supplier error.
  • Any item that is returned more than 30 days after delivery

Refunds (if applicable)
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund, please contact us at info@sparesdirect.ie

Sale items (if applicable)
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.

Exchanges (if applicable)
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at info@sparesdirect.ie and send your item to: Unit 5 Dargan Industrial Park, 62 Dargan Crescent, Belfast BT3 9JP.

Unwanted goods or Failed deliveries of items bought
If for any reason you order from us and the item has been shipped, but you no longer wish to have the item, the goods should be returned to us at the consumers cost. The price of goods will be refunded upon delivery/inspection (please note carriage cost will NOT be refunded. This also applies to missed deliveries/collection of goods from currier depot. 

Shipping
To return your product, you should mail your product to: Unit 5 Dargan Industrial Park, 62 Dargan Crescent, Belfast BT3 9JP.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.
Depending on where you live, the time it may take for your exchanged product to reach you, may vary.
If you are shipping an item over £50, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.