Hello to the forum experts,
I am designing a small/medium 175,000btu boiler for use inside the living room area of a house. Many attributes of the Garn gasser but much smaller at about 500 gallons storage.
If some experts would be able to provide feedback on the below questions:
1. Is the secondary gasification chamber best located on top or to the side of the initial firebox?
2. For 175,000btu size output what would the recommended size and type of construction of the secondary chamber? Size of opening from firebox to secondary chamber?
3. Do you think 3" exhaust/exchanger pipe out of A53 schedule 40 steam pipe at about 30' length a good choice? Is 4" a better selection? Can a thinner walled stainless pipe be used after the first 10' or schedule 40 A53 as a means to get faster heat transfer and thus a possible shorter exhaust/exchanger length?
4. Inducer fan design/sizing/mounting? 2 or more speeds seem to provide fine tuning options? 1/4 horsepower? How to mount on side of unit prior to the last heat exchanger run? Does cavitation of air sometimes occur? Brand and model numbers if you have preferences.
Thank you for your knowledge,
Alex
I am designing a small/medium 175,000btu boiler for use inside the living room area of a house. Many attributes of the Garn gasser but much smaller at about 500 gallons storage.
If some experts would be able to provide feedback on the below questions:
1. Is the secondary gasification chamber best located on top or to the side of the initial firebox?
2. For 175,000btu size output what would the recommended size and type of construction of the secondary chamber? Size of opening from firebox to secondary chamber?
3. Do you think 3" exhaust/exchanger pipe out of A53 schedule 40 steam pipe at about 30' length a good choice? Is 4" a better selection? Can a thinner walled stainless pipe be used after the first 10' or schedule 40 A53 as a means to get faster heat transfer and thus a possible shorter exhaust/exchanger length?
4. Inducer fan design/sizing/mounting? 2 or more speeds seem to provide fine tuning options? 1/4 horsepower? How to mount on side of unit prior to the last heat exchanger run? Does cavitation of air sometimes occur? Brand and model numbers if you have preferences.
Thank you for your knowledge,
Alex