Learn More › The overlap of boiler and hot water heater functionality in a home often leads to these two appliances being ...

The natural gas or LP-fired Mascot LX features a Laars heat exchanger and offers 95 percent efficiency, full modulation, and a plentiful supply of domestic hot water on combination units, according to ...

1. Can I run a hot water zone off an existing steam boiler without a heat exchanger? Yes, but there is a limit to how much radiation your steam boiler can support. Manufacturers list two capacity ...