Related Clues:

• Hot spot
• Heater
• Household hisser
• Heat source
• Engine component
• Heater of a sort
• Part of a heating system
• Fireplace alternative
• Steam source
• Auto part
• Heating device
• Home heater
• It spreads heat as in house
• It spreads heat around room or cools engine
• It distributes heat in home, filled with hot water