We value your custom and also your security, doing nothing leaves you/your business vulnerable to potential hacking and/or possible data breaches. As far as the smart thermostats are concerned –. With over 25 years’ experience and a master plumbing license, kurt is a true plumbing professional. We offer a 7 year parts & labour guarantee on all new worcester bosch boilers we install you’ll probably save the installation fee by reduced gas bills over that time. Jeyes drain.