The steam flows through a grill of pipes and the heat radiates from the pipes to the room.
no.....the heater would have to be leaking
Condensation, when you heat water the water boils and lets of steam, steam collects around the water heater as condensation.
Leak in heater core. Replace core.
You have a leaking heater core. you can try radiator sealer but that may only work for a short time.
heater core needs replacement
The heater core is leaking coolant.
Steam boilers work by boiling water to generate steam. The steam then is used to heat the engine.
The heater core is leaking coolant.
The steam could be coolant from a bad heater core.
replace the heater core, it most likely has a busted tube making the water heat and turn into steam whenever the heater or defroster is on. you may want to check the coolant level. after so long of the steam, or super heated water, escaping into the air duct system. you will obviously lose coolant level.
It could be steam from the heater core
The water heater has an electric heating element that is responsible to make the water hot if submerged to water. While the Calorifier is composed of steam coil where the steam from boiler passes through, is responsible to make the water hot if it get contact to the steam coil.