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Honeywell L4188A Manual

Aquastat controllers
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Honeywell
THESE BULB-TYPE CONTROLLERS PRO-
VIDE OPERATING OR LIMIT CONTROL OF
WATER TEMPERATURE
IN HOT WATER
HEATING
SYSTEMS
AND
WATER
HEATERS.
Cl L4188 and L4189 provide spst switching
for high or low limit control.
q L6188 and L6189 provide spdt switching
for low limit and circulator
control.
Cl L4188,
L6188
models
are
direct-
mounted.
0 L4189, L6189 models are remote bulb.
Cl Diaphragm-operated
switch
breaks on
temperature
rise (spst and normally closed
spdt contacts).
q Compact controller
case for application
flexibility.
0 3116
in.
diameter
bulb
for
faster
response.
Cl All models
available
with
or without
setting knob. Models without knob are ad-
justed with screwdriver.
Cl Choice
of manual
or auto reset. Auto
reset models available with fixed or adjust-
able differential.
Cl l/4
in. male quick-connects
standard;
combination
screw
and
l/4
in. quick-
connects available.
0 Field adjustable
high or low limit stop
available.
Cl Bracket for surface
mounting
available
on remote bulb models.
Cl Capillary
on remote bulb models avail-
able
in
several lengths.
Cl Immersion
well with l/2
in. NPT spud
available as accessory.
J.A.
2-86.
Form Number
68-0061
Qlioneywell Inc.
1986

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L4188bL4189aL4189bL6188aL6188cL6189c ... Show all