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The regulator has the only moving components in the propane sys-
tem. It’s sole function is to reduce the high and varied pressure from
the propane containers to safe and consistent low operating pres-
sure. The small inlet is the first stage, which reduces the container
pressure to 10-13 pounds.
The second stage then reduces the 10-13 pound pressure to an op-
erating pressure of 11 inches w.c. (water column) or 6.35 ounces of
outlet pressure to your appliances. The second stage is adjustable
and may need to be adjusted for precise operation. We suggest this
to be normal maintenance and performed once per year. Do not
make this adjustment without a manometer. This instrument is re-
quired to read actual pressure.
If pressure is too high, it affects performance and safety. Should
pressure be too low, appliances will not operate correctly. An au-
thorized and competent technician with proper equipment should
perform such tests and adjustments, as may be required.
Two types of propane regulators are used on KZ products. First, is
the standard two stage regulator with a brass T-check connector to
mount two propane bottles. We suggest opening only one bottle at
a time. Should you open both bottles, they will draw vapor together,
resulting in both tanks becoming empty at the same time. This stan-
dard regulator is used on smaller coaches.
The second type is the “automatic” two stage regulator used on lar-
ger coaches (optional on smaller coaches). With both cylinders full
of propane, turn the lever on the regulator towards the cylinder you
wish to use first. This will now be the “supply” cylinder and the other
“reserve”. Slowly open both cylinder valves.
The indicator on top of the regulator will turn bright green. When the
cylinder becomes empty the indicator will change to bright orange.
Now turn the lever to the side of the full bottle and the green signal
will return. You may now remove the empty bottle to have it refilled
without interrupting the flow from the full bottle. After filling the cylin-
der, connect the pigtail hose and slowly open the bottle valve. Do
not forget to check for leakage each time you refill cylinder or dis-
connect any part on the propane system.
High Pressure Hoses with Acme Connectors
Propane leaves the container through a hose with an acme connec-
tor attached to the bottle, also having a “flow-limiting device”.
Should the container valve be opened too quickly this device may
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