Brochure

Electronic Modulation Gas-Fired Temperature Controls
Environmental and Industrial Gas Flame Applications
© 2007 Maxitrol Company, All Rights Reserved.
Series 94 Systems
Selectra
®
systems from Maxitrol maintain precise, stable gas-fired temperatures. Selectra's unique electronic Modulator-
Regulator valves control gas flow with instantaneous response and continual adjustment. They are the superior
alternative to mod motors and butterfly valves.
OEM or retrofit applications include environmental climate control, as well as industrial or commercial heating processes.
All fuel gases are compatible - capacities to 30,000,000 Btu/h.
Available standard companion electronics include temperature selectors, amplifiers, and temperature sensors, in a variety
of configurations. The amplifier supplies output voltage to the M valve.
Series 94 Condensed Catalog
Selectra
®
Series 94 systems are designed for use with
atmospheric and direct fired burners (used in furnaces,
ovens, etc.).
Series 94 is used in either 'remote' or 'self-contained'
systems, along with components common to either
configuration. A remote system contains an amplifier with
a separate temperature selector. A room override
thermostat is optional with remote single dial selector. The
self-contained system has the amplifier/selector combined
as a single unit. Common items include temperature
sensors, mixing tubes, and modulator-modulator/regulator
valves.
A dual remote temperature selector is also available and is
primarily used for paint booth "spray/dry" applications.
A "K" thermocouple (not supplied by Maxitrol) may be used
with "K" suffixed amplifier/selectors.
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