Mars 39205 User Manual
Fan & Limit Disc Thermostats
®
ARS SERIES
M
Adjustable Fan or Limit Thermostats
MARS adjustable fan or limit thermostats let you reduce inventory and
still have on hand the most popular thermostat ratings.
MARS adjustable thermostats Are easily set for the desired temperature
by turning the indicator dial built into the control. Each MARS adjustable
thermostat features integral 2 hole oval mounting flanges and .25 inch
quick connect terminals.
Features:
• Easy dial adjustment
39205
MARS NO. TYPE RANGE °F DIFF. °F SWITCHING ACTION
39205 Fan 90-130 20 Close on rise
39210 Fan 140-180 20 Close on rise
39220 Limit 135-175 40 Open on rise
39225 Limit 175-215 40 Open on rise
39230 Limit 210-250 40 Open on rise
39235 Limit 250-290 40 Open on rise
• Six controls cover most requirements
• Intergral oval flange
• .25 inch quick connect terminals
• UL and CSA listings available
390
COMPONENT
Cross Reference Information
GEM NO. MARS NO. WHITE-RODGERS NO. MARS NO.
AT 012 39220 3F05-1 39205
AT 013 39225 3F05-2 39210
AT 014 39230 3L05-1 39220
AT 015 39235 3L05-2 39225
AT 021 39205 3L05-3 39230
AT 022 39210
39310
TEMPERATURE °F
MARS NO. OPEN CLOSE DIFFERENTIAL
39310 110 90 20
39312 120 100 20
39314 130 100 30
39316 140 100 40
39318 145 105 40
39320 150 110 40
39322 155 115 40
39324 160 120 40
39326 170 130 40
39328 180 140 40
39330 190 150 40
39332 200 160 40
Electric Heat High Limit
Thermostats
MARS electric heat high limit thermostats are designed for easy
accurate replacement of OEM thermostats on electric furnaces.
Temperature ratings and differentials have been careful selected
for safe operation.
MARS electric heat high limit thermostats feature an exposed matte
finish disc for fast response. Easy matching of OEM mountings
using the integral round flange, accessory oval flange or the
terminal mounting adapter. Complete instructions and push-on to
screw-on terminal adapters are also included.
Features:
• Exposed matte finish disc for fast response
• Unique terminal mounting adapter for simple secure
mounting
• Oval mounting flange supplied to match many popular
mounts
• 0.25 inch quick connect terminals, with push-on to screw- on
adapters
• Twelve models replace most popular OEM thermostats
• Individually bagged with instructions
• UL and CSA listings available
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