Transcription: Installation at the house. Canalization of the cement, colon, decedent, colon, decedent. Canalization of the house, chaudiere, vase d'expansion, pump of circulation, radiator. Forced hot water system. Main supply pipe. Branch return pipe. Branch supply pipe. Main return pipe. Boiler expansion tank. Circulating pipe. pump, radiator, system of air-cooling pressure, pressure principle, your own descent, your own descent, your own return, caldera, tank of expansion, bomb of circulation, radiator,