Integration of Rocket Heater to Thermal Mass
The Liberator RMH-2.0 can be integrated to thermal mass. The benefits of using thermal mass
is a thermal battery/flywheel effect which allows the stove to keep the structure warm without
necessitating a continuous 24/7 firing. However, there are many variations of thermal mass integration
and each installation is almost inherently a custom designed and built to the customers needs. It is
highly recommended that an experienced mason, masonry heater, and rocket mass heater builder be
contacted for individual assessment and assistance.
Rules For Integration of Rocket Heater to Thermal Mass
1. Do not encase the burn chamber of the RMH-2.0 with thermal mass.
2. When routing an exhaust pipe horizontally through thermal mass the horizontal section
of pipe should have a rise going upwards towards the chimney of at least 3 degrees.
3. All clearances to combustibles guidelines must be adhered to. Thermal mass will not
insulate, shield, or protect combustibles from the stove or exhaust pipe.
4. The floor must be capable of supporting the heavy thermal mass bench. A slab
foundation is recommended. Contact a civil engineer if the thermal mass is NOT going
to be installed on a slab and reinforce the floor as necessary.
5. The heat exchanging pipe should be at least 6” beneath any surface of the thermal mass.
6. The thermal mass must be made exclusively of non-combustible and non-flammable
materials.
7. Do not use corrugated pipe. Keep bends to a minimum. You will still need to install the
heater to a chimney as recommended in this manual. Use black stove pipe at least 24
gauge thick, secure by at least 3 screws at the joints. Do NOT route an exhaust vent
directly out of the wall. You need a chimney for a proper draft! Use one of the chimney
types described in pages 6-11 of this manual.
8. You can use a combustion air inlet when integrating the heater to thermal mass. In fact,
we recommend it as it will increase the heater's efficiency.
9. The horizontal length running through the thermal mass can not exceed 12' feet
regardless of the height of the chimney. If the chimney is 24' feet or less in height, the
height of the chimney must be at least twice the length of the horizontal run.
10.Thermal mass can partially encase the RMH-2.0 directly in addition to encasing the
horizontal run of pipe. However, do NOT cover the cooktop, ash cleanout door,
combustion chamber, or the top lid/fuel feed tube with thermal mass.
11.It is highly recommended that you be mindful of cleaning out the heat exchanging pipes
and the chimney. Install T-connectors at convenient locations to give yourself access to
the inside of the heat exchanging pipes of the thermal mass. Only use elbows in areas
where a T-connector would not give you any added accessibility.
It is highly recommended that you consult experienced professionals in the construction of a
true Rocket Mass Heater. Integrating a rocket heater to thermal mass is inherently a custom job that
requires utmost care, consideration, knowledge, experience, and talent to design, construct, and
operate. Though every installation and integration to thermal mass is by definition different and unique,
on the next page are some diagrams of some examples of basic installation layouts.
If you decide to integrate thermal mass to the Rocket Heater, RMH-2.0 we highly recommend
“The Rocket Mass Heater Builders Guide” by Ernie and Erica Wisner, ISBN: 0865718237 and
contacting experienced masonry heater and rocket mass heater builders.
Page 14
Содержание RMH-2
Страница 8: ...Flue Connection Through a Non Combustible Wall Page 8...
Страница 9: ...Page 9...
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Страница 12: ...Through Ceiling Installation Page 12...
Страница 15: ...DIAGRAMMATIC DETAILS FOR THERMAL MASS Page 15...