Hubbell Electric Heater Company ME User Manual
Page 7
OPTIONS
The following optional features may be included in your water heater. Reference included drawing
specific to your heater for further details.
Low Water Cut-Off
Used as a safety device, the electronic low water cut-
off is used to detect a low water situation and
disengage the operating coils in the magnetic
contactor(s). Once the condition is remedied, the low
water cut-off switch is automatically reset.
Dial Temperature and Pressure Gauge
A combination temperature (70° - 250° F) and
pressure (0 – 200 psi) gauge with 2½-inch dial
may be supplied for in-line installation (shipped
loose) or factory installed in the tank.
Vacuum Relief Valve
A vacuum relief valve may be provided with the unit to reduce the risk of
back siphonage and back pressure of the system. The valve will be shipped
loose for in-line installation. Instructions for installation are provided with
the valve.
Electro-Mechanical Timer
An electro-mechanical 7-day time clock with battery back-up may be
supplied for specific timing operations. A set of instructions will be
supplied with the timer.
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