Optilux Contactors + Heat Socket

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  • Safely powers high-amperage horticultural equipment
  • Robust metal housing manufactured in the UK
  • Available in a range of sizes to suit all gardens
  • Powers up to 8 x 600 W lights from two wall sockets
  • Sockets have individual on/off switches
  • Auxiliary Heat output turns on when lights turn off
  • One of the safest ways to power multiple lights; ROHS and CE certified

High quality, Heavy duty timer contactor with heat output

This contactor features high-quality components with higher rated internal specification to cope with up to 4800 W of lighting and a heating output up to 2800 W. (Max. lighting load = 8 x 600 W or 4 x 1000 W)

The internal components of Optilux contactors are rated to safely power the correct number of lights required by the number of outputs.

A Lighting Contactor with Heating Output

With a ‘Heat’ output included on all models in the range, the Optilux contactor allows you to maintain consistent environmental conditions in your indoor garden. Consistent heat avoids stressing your plants, resulting in uniform crops between cycles, regardless of outdoor temperatures.

Running a heater during the plants ‘night’ cycle dramatically reduces chances of mould taking hold, as temperatures drop when the lights go out, humidity rises which can precipitate water droplets onto dense plant parts. Trapped water droplets provide the perfect environment for mould and bacteria, which can cause a complete loss of your crop. Optilux contactor’s ‘flip flop’ power between lighting fixtures and heat output so when the lights go out, the heat comes on.

If you’re setting up a medium scale garden, or anything with more than 1 x 600 W fixture, you will need a contactor to safely ignite HID light fixtures, with a greatly reduced chance of electrical faults developing. We suggest mounting all electrical components (ballasts/contactors/cables/etc.) outside the growing area or above waist height to prevent water going anywhere near your electrics!

Optilux Contactor 4-Way + heat

  • Power up to four lights of any wattage (250, 400, 600, 1000 W)
  • Flip-Flop power between lighting and heating options

Optilux contactor 6 way + heat

  • Power up to six lights (250, 400, 600 or 4 x 1000 W)
  • Flip-Flop power between lighting and heating options

Optilux contactor 8 way + heat

  • Power up to eight lights (250, 400, 600 W) or 4 x 1000 W
  • Flip-Flop power between lighting and heating options
  • 4800 W and a maximum heater load of 2800 W. Power automatically diverts to heating when the lights turn off.

Compatible Heaters:

HotBox Elite 2.8 kW heater

Oil filled radiator

2 kW Palma Heater

Ecoheat Tube Heaters

Capable of powering the most power hungry heaters we stock, the Optilux contactor is a cost effective, easy to use means of optimising the important environmental factors of your garden.

How to use Optilux Contactor:

Complete user instructions are included with the contactor.

The unit is easy to install and comes ready to plug and play. The integral mounting bracket makes installation easy.

The timer’s dial is easy to use with each tappet representing 15 minute increments of a 24 hour period. Simply slide the tappets into the on position for the duration you require your lights to be on; power diverts to the heater socket when the lights are off.

We recommend using a thermohygrometer to monitor peaks in temperatures, allowing you to react to any drastic environmental changes. A Air Comfort wireless themohygrometer is particularly useful. Graphical logging functionality allows you to easily see when environment events take place.

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Next Day Delivery

Our UK Mainland delivery service is provided by Parcelforce Worldwide.

NOTE: For anyone outside of the UK (i.e. Republic of Ireland and the EU) you are free to arrange your own courier service. To order from us using your own courier, complete your purchase from our website, and select "Collect from our Warehouse — Chigwell". This is where you can arrange your own courier to collect your item(s) from. Address details are available on the Contacts page.

Standard UK mainland orders over £50.00 are eligible for a free standard next working day delivery service (Mon – Fri)*.

  • *Free delivery includes orders up to, and not exceeding, 30kg, that fit in a single, standard shipping box.
  • *Free delivery may exclude orders containing one or more large volume items. Examples of large volume items are, but are not limited to, bags of media (clay balls, perlite, soil etc.).
  • *Free delivery excludes Garden Power Tools.
  • *Large items are sent via a standard 48L (48 hour large) service. Large items take from 2 working days to arrive.

Where possible, orders received by 2:30pm Mon – Fri are dispatched the same day. (*Excluding Garden Power Tools).

Where possible, Garden Power Tool orders are dispatched the same day when received by 11:00am Mon – Fri. Orders after 11:00am are usually dispatched the next working day

UK mainland orders after 2:30pm Mon - Fri are subject to next working day dispatch:

  • For example, orders after 2:30pm on a Friday are dispatched on the next working day, usually a Monday.

UK Mainland Pallet deliveries are charged separately per pallet. They are usually delivered in 2-3 working days. Please contact us for the latest cost price.

    Our shipping providers terms and conditions limit our ability to send some products internationally. See our list of restricted items.

    All prices shown below are per parcel with a maximum weight of 30 kg per parcel. Items over 30 kg are split into multiple boxes and charged per box.

    Future Garden are not liable for any additional fees that may be incurred. Any unexpected costs must be paid by you (the customer).

    Delivery services provided online are estimates. There may be unforeseen delays with your order, especially around our busiest time of year. Very busy periods can see very high volumes of parcels being collected, processed and delivered. If you have a special delivery requirement, please contact us via email - info@futuregarden.co.uk before placing your order.

    UK Mainland

    Standard Next Working Day (Orders over £50 <30 kg) FREE
    Standard Next Working Day (Orders under £50 max. 30 kg per parcel)* £6.95
    Standard 2-3 Working Day (Orders under £50 max. 30 kg per parcel)* £4.95
    Pallet Delivery £70.00

    Isle of Wight

    Next Day Service £8.95

    Northern Ireland

    Two Day Service £18.95

    Isle of Man & Scilly Isles

    Two Day Service £20.95

    Scottish Highlands & Islands

    Two Day Service £16.95


    Sorry, no online quotes are available for orders outside of Europe. If you would like to place an order for delivery outside of Europe, email us directly and we can prepare a bespoke quote for you based on the weight, dimensions and destination country for the most accurate cost and quickest delivery times to you.

As per the Consumer Contract Regulations June 2014, you can return goods and receive a full refund under the following conditions:

  • You have had the goods delivered within seven working days of delivery from Future Garden Ltd, this starts from the day after the goods have been signed for.
  • The items are unopened and in the original condition as when they were delivered to you.


  • The items have developed a fault during standard use.
  • The items are within the manufacturer's warranty period.

Simple checks

  • Please ensure that any parcels delivered are intact and free from damage and unopened, if they appear to show any damage please make a note when signing for the goods, alternatively you can refuse delivery of these items, however only full refusal if multiple parcels will be accepted, in the unlikely event this occurs please contact us asap on 020 8502 7722 or by email info@futuregarden.co.uk
  • Please check all items once unboxed to ensure that they are not damaged and are fully functioning, if this is not the case please ensure you notify us as soon as you can, or within the given returns policy time frame, on 020 8502 7722 or by email info@futuregarden.co.uk  we will then arrange suitable collection and replacements where necessary.
  • If any items appear not to be functioning as expected, do not attempt to fix or tamper with any products, this could affect your statutory rights, please notify us on 020 8502 7722 or by email info@futuregarden.co.uk and we will arrange a suitable replacement.
  • If you notice any irregularities with your order, please notify us as soon as possible or within 7 working days, on 020 8502 7722 or by email info@futuregarden.co.ukwe will endeavour to correct and refund where possible. 
  • You can return any unwanted items, you can return the item(s) to us unopened and intact in a re-sellable condition within 14 working days after the day of receiving the goods, we are unable to accept any goods back that have been opened or the seal(s) have been broken or have been damaged, unless reported as damaged in transit, you can contact us on 020 8502 7722 or by email info@futuregarden.co.uk