Thermostat User Manual
www.honeywell.com/sensing  7 
2450R Series. 
Features: Cost effective • Rivet sleeve 
construction • Low profile • Wide variety of 
mounting brackets and terminals 
Benets: Low profile and small size 
allows enhanced response to temperature 
changes. Factory calibrated to customer’s 
specification. Potential for use in 
high current HVAC, major appliance, 
automotive, heat/smoke detector and copy 
machine applications. 
2450RC Series. 
Features: Cost effective • Rivet sleeve 
construction • Low profile • Wide variety of 
mounting brackets and terminals 
Benets: Low profile and small size 
allows enhanced response to temperature 
changes. Potential for use in high current 
HVAC, power supplies, decorative fire 
places, glue gun applications.
2450RCG Series. 
Features: Cost effective • Gold alloy 
contacts • Rivet sleeve construction • Low 
profile • Wide variety of mounting brackets 
and terminals
Benets: Low profile and small product 
size allows enhanced response to 
temperature changes. Gold alloy contacts 
allow for potential use for low voltage 
HVAC, power supply, decorative fire 
places and glue gun applications. 
2450RG Series. 
Features: Cost effective • Gold alloy 
contacts • Rivet sleeve construction
• Wide variety of mounting brackets and 
terminals
Benets: Small product size allows 
enhanced response to temperature 
changes. 4- posted “H” construction for 
application mounting bracket. Gold alloy 
contacts allow for potential use for low 
voltage tabletop appliance applications. 
2455R Series. 
Features: Cost effective • Rivet sleeve 
construction • High profile • High current 
• Wide variety of mounting brackets and 
terminals 
Benets: Small product size allows 
enhanced response to temperature 
changes. Factory calibrated to customer’s 
specification. Potential for use in high 
current HVAC, automotive, copy machine, 
major appliance and heat/smoke detection 
applications. 
2455RA Series. 
Features: Cost effective • Gold alloy 
contacts • Epoxy-sealed cap and 
terminals • Wide variety of terminals
• Stepped aluminum cap - 15 ft spacing, 
1” collector for 30’ spacing, and a 1.5 
in collector for 50 ft spacing. Collector 
brackets available per UL 
Benets: Small size allows enhanced 
response to temperature changes. 
Epoxy sealed for long life. Available with 
or without heat collectors. Gold alloy 
contacts allow for potential use for low 
voltage fire alarm, smoke detector and 
security device applications. 
2455RBV Series. 
Features: Cost effective • Epoxy overmold 
• Rivet sleeve construction • Dust-free 
housing • Factory calibrated • Wide 
variety of mounting brackets and terminals 
Benets: Epoxy overmolded construction 
provides electrical insulation. Small size 
allows enhanced response to temperature 
changes. Factory calibrated to customer’s 
specification. Potential for use in high 
current automotive and industrial 
equipment applications. 
2455RC Series. 
Features: Cost effective • Rivet sleeve 
construction • High profile • Wide variety 
of mounting brackets and terminals
Benets: Small product size allows 
enhanced response to temperature 
changes. Potential for use in high current 
HVAC, power supply, spa and office 
automation applications.
2455RG Series. 
Features: Cost effective • Gold alloy 
contacts • Rivet sleeve construction
• High profile • Factory calibrated • Wide 
variety of mounting brackets and terminals 
Benets: Small product size allows 
enhanced response to temperature 
changes. Factory calibrated to customer’s 
specification. Gold alloy contacts allow 
for potential use for low voltage HVAC, 
automotive, copy machines, heat/
smoke detection and major appliance 
applications. 
2455RM Series. 
Features: Cost effective • Rivet sleeve 
construction • Factory calibrated • Wide 
variety of mounting brackets and terminals 
Benets: Small size allows enhanced 
response to temperature changes. Used 
in high current. Factory calibrated to 
customer’s specification. Potential uses 
include HVAC, power supply and office 
automation. 
PRECISION THERMOSTATS
3000 Series. 
Features: Custom packaging
• Hermetically sealed • Tight tolerances 
• Tight differentials • Customized probe 
length • Hermetic connector or potted 
constructions 
Benets: Internal and external design 
options meet exacting customer 
requirements. All-welded, hermetically-
sealed stainless steel construction for 
potential military applications requiring 
flexibility in mounting and terminal 
configurations.
3100 Series. 
Features: Hermetically sealed • Tight 
tolerances • Tight differentials • Pre-set 
and tamper proof • SPST contacts • Wide 
variety of mounting brackets and terminals 
Benets: Designed to meet or exceed 
critical commercial and industrial 
specifications. Temperature calibrations 
pre-set at factory. Each unit 100% 
thermally and mechanically inspected. 
Potential applications include computers, 
medical electronics, power supplies, 
industrial controls, infotech, and test 
equipment. 










