Automatic Limit Switches

ALL UNITS ARE U.L. AND C.S.A. RECOGNIZED. RATINGS ARE 25 AMPS RESISTIVE @ 240V, 22A @ 277V

125VA PILOT DUTY, FOR 100,000 CYCLES

ALL ARE 1 1/2" X 2" OVAL WITH 1 5/8" ON CENTER MOUNTING HOLES, HAVE 1/4" QUICK CONNECT TERMINALS AND DROP THROUGH A HOLE INTO THE AIRSTREAM 3/8" EXCEPT FLUSH MOUNT (FM) & THE DEEP CUT (DC) MODELS THAT EXTEND 3/4". UNITS SHOWN AS "OD" HAVE AN OPEN OR EXPOSED BI-METAL DISC. UNITS SHOWN AS "CD" HAVE A CLOSED OR SHIELDED DISC. CLOSED DISC RESPOND SLOWER THAN OPEN DISC TYPE AND ALLOW APPROXIMATELY 10 TO 15 DEGREES HIGHER OUTLET AIR FROM A DUCT HEATER BEFORE REACTING. INCORRECT REPLACEMENTS COULD BE A HAZARD!!! ALL OPEN ON RISE OF TEMPERATURE. UNITS WITH A(-3) OR LARGER DIFFERENTIAL ARE USUALLY USED IN HEATERS AND FURNACES. THOSE WITH SMALLER DIFFERENTIALS ARE FOR APPLIANCE USAGE.

BTU PART #
L110-1OD	L155-1CD	L240-4CD	ALL OD & CD UNITS
L120-1.5OD	L155-2CD	L250-5CD	ARE 1 POLE
L120-1CD	L160-4OD	L260-5CD
L130-2.5OD	L160-2CD	L275-5CD	2 POLE STACKED
L130-1CD	L165-2CD	L290-5CD	ARE OD2 & CD2 UNITS
L135-3OD	L170-4OD	L300-5CD
L135-1CD	L170-2CD	L320-5CD
L140-3OD	L175-2CD	L325-5CD	ALL ODFM & CDFM UNITS
L140-3OD2		L340-5CD	FLUSH ARE OBSOLETE
L140-3ODDC	L175-4CD
L140-1CD	L180-1CD	L175-1CDFM
L145-3.5OD	L180-4CD	L320-4CDFM
L145-1CD	L190-4CD	L330-5CDFM
L150-4OD	L200-4CD
L150-1CD	L210-4CD
L150-4CD2	L220-4CD
L150-4CD	L225-4CD
	L230-4CD
L160-4OD W/2.25" strap (Used on older Westinghouse units)
1 POLE LIMIT		2 POLE LIMIT
AUTOMATIC FAN SWITCHES FAN SWITCHES ARE THE SAME PHYSICAL SIZE AS LIMITS ABOVE EXCEPT THEY CLOSE ON RISE TO START A DELAYED FAN OR HOLD IT ON AFTER THE HEATER HAS SHUT DOWN. RATINGS ARE 16 FLA, 60 LRA @ 240V., FOR 30,000 CYCLES
BTU PART #
F110-1.5CD	F130-2CD	F160-2CD
F110-1.5OD	F130-2OD	F180-2CD
F120-2CD	F140-2CD	F200-2CD
F120-2OD	F150-2CD
ADAPTOR PLATES FOR FAN OR LIMIT SWITCHES 2 1/8 X 2 3/4" PLATE WITH 2 1/4" MOUNTINGHOLE CENTERS.
ADAPTER PLATE