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NOTES:
1. Plumb all swing check valves in gravity closed position.
2. Minimum pipe size to be (1) size larger than heater inlet/outlet connection size.
3. Pipe all relief valves to drain or as local codes require.
4. 115 gallon jacketed and insulated storage tanks available from factory.
5. When two heaters are paralleled, do not use factory supplied thermostats. Order thermostat part
number 600887 and Well PN 650590 from factory. See electrical wiring on page 29.
6. Heaters with 2" or 2-1/2" manifold size may require more than one storage tank. Consult factory for
proper storage sizes.
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PIPING DIAGRAM-2 HEATER 1 TANK SPECIAL THERMOSTAT AND WELL