Quick Answer
Yes, multiple 100lb tanks can be connected together, but it's crucial to consider the overall system pressure, flow rate, and potential for unequal tank depletion.
Connection Methods
When connecting multiple 100lb tanks together, you can use the following methods:
- Teeing: This involves installing a tee valve between the tanks to allow for equalization and pressure control. This method allows for a more balanced flow rate between the tanks.
- Daisy Chaining: This involves connecting the tanks in a daisy chain configuration, where each tank is connected to the previous one using a valve. This method is more suitable for smaller systems with lower pressure requirements.
Safety Considerations
When connecting multiple tanks, it’s essential to ensure that the overall system pressure does not exceed the recommended maximum pressure of 11.1 psig (76.7 psia) for 100lb propane tanks. You should also consider the following:
- Use a pressure regulator to regulate the pressure at the point of use.
- Install a relief valve to prevent excessive pressure buildup.
- Ensure that the tanks are compatible and can be connected safely.
System Sizing
When connecting multiple tanks, it’s crucial to ensure that the total tank capacity meets the system’s demand. A general rule of thumb is to size the tank system to meet 6-8 hours of peak demand. For example, if your system requires 1 lb of propane per hour, you would need a minimum of 6-8 tanks (600-800 lbs) to meet 6-8 hours of peak demand.
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