Expansion tank
Videos
An expansion tank or expansion vessel is a small tank used to protect closed water heating systems and domestic hot water systems from excessive pressure. The tank is partially filled with air, whose
Expansion tank in a central heating system
Expansion tank in a 1987 Saab 90 (brown plastic tank with white lid at top of picture)
Central heating
Videos
A central heating system provides warmth to a number of spaces within a building from one main source of heat.
Expansion tank
…Expansion tank in a central heating system An expansion tank or expansion vessel is a small tank used to protect closed water heating systems and domestic hot water systems from excessive…
A condensing boiler
Hot water central heating unit, using wood as fuel
Ruins of the hypocaust under the floor of a Roman villa at La Olmeda, Province of Palencia (Castile and León, Spain)
Sylvester's warm-air stove, 1819