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WAI-94032B page 1 of 4

WAI Series

Get the Same Original Equipment
Specified by Major OEM’s

Swichgage Instruments Include 
Built-in Light Pipe Illumination 

Prewired and Ready to Install

Alarm Only Model Saves Money on
Applications Not Requiring Shutdown

Available for 12 or 24 Volts

Description

WAI Series Murphy panels offer engine pro-
tection for on and off road mobile equipment. 

You get accurate engine readings and time-
delayed automatic shutdowns. Flashing light
and mini-siren signal a warning before the
shutdown. Alarm-only panels (without shut-
down capabilities) are also available. 

WAI panels are easy to install and function
test without the need for expensive auxiliary
equipment. Each is a cost competitive and
effective system for engine protection. 

The WAI Series Panels are complete diagnos-
tic, engine-protection systems. Any vehicle or
engine can be monitored and in case of poten-
tially damaging conditions an alarm will oper-
ate before the engine is shut down. WAI Panels
feature direct-reading, mechanical Swichgage
instruments (gauge and limit switch in one)
and Selectronic relays and alarms. Swichgage
instruments are internally lighted for night illu-
mination.

Models Available

WAI-2: 

Completelly enclosed and with con-

venient under-dash mounting provides
Swichgage instruments for low oil pressure
and high coolant temperature; visual and
audible alarms before automatic shutdown.
Includes a 270°pivoting, mounting bracket. 

WAI-3: 

Same as WAI-2 panel with a 3rd

Swichgage instrument for block coolant
pressure (0-15 psi).

WAI-4: 

Same as WAI-2 panel with a 3rd

Swichgage instrument for transmission tem-
perature (140-300°F).

WAI-7: 

Open style panel same as WAI-2.

WAI-8: 

Open style panel provides

Swichgage instruments for low oil pressure,
coolant pressure and high coolant tempera-
ture; visual and audible alarms before auto-
matic shutdown.

WAI-9: 

Open style panel same as WAI-8

with transmission temperature Swichgage
instrument instead of coolant pressure.

WAI-271: 

Open style panel similar to WAI-7

but for alarm-only.

Application

Trucks, buses, fork lifts, loaders, earth-
movers–any engine powered mobile unit,
such as delivery vans, farm and construction
equipment, street sweepers.

Warranty

A limited warranty on materials and workmanship
is given with this FW Murphy product. A copy of
the warranty may be viewed or printed by going to
www.fwmurphy.com/support/warranty.htm

WAI-94032B

Revised 05-06

Catalog Section 30

Swichgage

®

Shutdown Panels for

Mobile Equipment of All Kinds

WAI-8

WAI-271

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