From clay to plastic, we are experts! Vaillant also has a large range of heat pumps, solar thermal and renewable heating accessories. Keep up the great work hiring and training professionals who embody the holt way! People not connected to a mains supply and looking for an alternative to oil boilers. We are pet lovers and have rescued several cats that my wife adores that being said, there is always a need for a little clean up in aisle so to speak when one of the cats has an accident.