A two man team from c&i boiler (jeff conklin & brian desanto) wins best vendor category at the arippa golf tournament at the armitage gold club in mechaniscburg, pa ! Customer in ashford, //. You don't have to use your energy provider's boiler cover! Vaillant's models are sometimes a little more expensive, but their highly efficient durability more than compensates for this. Awesome service quick to respond! thanks! From monday to friday from :am to :pm.