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Our Position Statement on Using Hot Water Heaters as Boilers
We are not aware of any jurisdiction in North America which permits domestic water heaters furnished with relief valves rated above 30 psi to operate as stand alone space heating devices. We will be happy to acknowledge any written proof offering a different position.
We are not aware of any water heater manufacturer which furnishes its product with relief valves rated above 30 psi to recommend its product be used as a stand alone space heating appliance. We will be happy to acknowledge any written proof offering a different position.
We are aware of the availability of water heaters manufactured and rated for dual purpose which may or may not be permitted in one's municipality. It is important to mention the availability of dual purpose products does not necessarily mean it's acceptable across the country.
We are aware that any field alteration of a factory certified product to circumnavigate local codes or knowingly using a water heater for something other than what it was otherwise intended exposes one to a liability issues which in the event of illness, injury or death could give cause for
criminal charges.
Some parts of North America also hold current property owners liable to new owners for components, systems, and assemblies which do not meet local codes and standards.
Our advice at www.healthyheating.com is to contact the insurance company that underwrites ones home owner policy to see what they are prepared to cover particularly if ones decision contravenes local codes, standards and manufacturers recommendations.
Then ask, “is it really worth the risk?”
In support of DHW heaters for space heating.
If a space heating load is low enough to be serviced by a single water heater furnished with an internal or external heat exchanger isolating the potable water from the space heating fluid, then we would find this as an acceptable solution for combined heating systems provided the equipment
and system meet all local code requirements established by the jurisdiction having authority. |
