Two-stage manual regulator for use with low pressure systems are very reliable, but if you have a 2-tank setup your pilot goes out when one tank is empty. If you don't mind relighting your pilot then stick with this regulator.
Single stage regulators are no longer allowed to be used on installs other than BBQ's in New Hanover County. If your regulator looks like this then you should consider changing it out to a two-stage manual or auto regulator.
Automatic regulator for use with 2-tank setup only; will show red when one tank goes empty - check once a week during heating season so you will not run out. Highly recommended for range or dryer use so your appliance will go uninterrupted when service tank goes empty allowing change over to reserve tank.
Operation Of Auto Regulator
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The arrow on the changeover regulator indicates the service cylinder. The cylinder on the opposite side of the arrow is the reserve. The gas indicator is green or clear when both cylinders have gas.
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Gas is withdrawn from the service cylinder until the pressure drops to about 11.5 PSI. At this pressure the change-over valve automatically opens the inlet valve on the reverse side. It is ESSENTIAL that both cylinders are kept open to ensure correct functioning of the system.
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When the change-over occurs, the indicator changes from green to red. This indicates that the original service cylinder is empty and is ready to be replaced.
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Call Strick's L.P. Gas for a replacement cylinder. We will manually rotate arrow to point to "reserve cylinder" and replace the empty cylinder with a full one.
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The new full cylinder now becomes the reserve.