If an existing central heating system provides heat, too little can help a charging boiler. At combination of an already installed central heating boiler, with a thermal comfort of, for example, CW3, with the load boiler is an upgrade accessible to CW6. An additional advantage is that when tapping no waiting more action and that the lower flow resistance results in a higher pressure on the faucet.
번역되고, 잠시 기다려주십시오..
