Promoter: Vaillant Group UK Ltd trading as Glow-worm, Nottingham Road, Belper, Derbyshire, DE56 1JT.

By entering the promotion, you agree to be bound by these terms and conditions and by any other requirements set out in the promotional material.

Only CORGI registered installers are eligible to participate. Employees of the Promoter and their immediate families and anyone else connected with the creation and administration of the promotion are not eligible to enter the promotion.

To enter the promotion installers must purchase a Glow-worm Ultracom boiler between June 1st - August 31st 2008, install the appliance and register it on the CORGI Gas Works Notification database, ticking the box to notify the appliance for manufacturers warranty and you will be entered into the draw to win one of 100 CORGI registrations (subject to the "no purchase necessary" terms set out below).

Only one CORGI registration cashback can be won per person.

For VAT purposes, this promotion is being treated as a manufacturer's cash back arrangement, winners will be issued with a cheque for£175 the equivalent value of a 1 year CORGI registration as stated by CORGI on 1st April 2008. VAT should be accounted for appropriately on any cash payment received under this promotion.

No purchase necessary: to receive entry into the draw without purchase please write to Glow-worm marketing department, Nottingham Road, Belper, Derbyshire DE56 1JT, giving your full name, company name (if relevant), address, telephone number and CORGI registration.