Stoker Coal Boilers automatically feed the coal and have controls and pumps just like any conventions boiler. They are intended to be used as a primary heat and often have domestic hot water coils as an added bonus. They can be set up independently or in dual sytem with your existing oil/gas boiler. They can accommodate both hot water base board or steam plumbing.
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- oliver power
- Posts: 2266
- Joined: Sun. Apr. 16, 2006 9:28 am
- Stoker Coal Boiler: KEYSTOKER Kaa-2
- Hand Fed Coal Stove: Hitzer 50-93 & 30-95, Vigilant (pre-Vigilant-II), D.S. 1600 Circulator
- Baseburners & Antiques: MANY (Mostly when burning wood)
- Location: Near Dansville, NY
I'll be purchasing a keystoker boiler very shortly. My house heat load comes to 35,396 BTU's / Hr.(1700 square feet). The mode KAA-2 keystoker boiler has an output of 76,500 BTU's / Hr.. I'm thinking this is the model I need , seeing a boiler should be sized to the heat load. The KAA-2 is the smallest boiler Keystoker makes. The KAA-2 has one 3" x 14" grate. The next size up has three 3" x 14" grates. quite a difference for stepping up one size. My question is; Should I stick with the boiler rated for my heatload? Or , should I buy the next size bigger , and throttle it back?