WHITE-RODGERS

THERMOSTATS

Thermostat Selection Guide

Basic Function	Programming Capability	Actuation Means	Switching	Mounting Style	System Type	Model Number
Single Stage	Non- Programmable	Single Bimetal Mechanical Actuation	Snap Action Switch	Vertical	Heat	1C30
					Cool	1C31
				Square	Heat	1C20
					Cool	1C21
					3-Wire Zone Valve	1C26
				Horizontal	Heat	1D30
					3-Wire Zone Valve	1D35
					Heat or Cool	1D36
					Heat/Cool w/Switching	1D56
			Enclosed Contact Switch	Vertical	Heat	1E30
					Cool	1E31
					3-Wire Zone Valve	1E35
					Heat or Cool	1E36
					Heat/Cool w/Switching	1E56
				Square	Heat or Cool	1E20
					Heat/Cool w/Switching	1E26
				Horizontal	Heat	1F30
					Cool	1F31
					3-Wire Zone Valve	1F35
					Heat or Cool	1F36
					Heat/Cool w/Switching	1F56
	Programmable	Dual Bimetal Mechanical Actuation 24-Hour Program	Enclosed Contact Switch	Horizontal	Heat	1F70
					Heat or Cool	1F72
					3-Wire Zone Valve	1F75
					Heat/Cool w/Switching	1F76
		Electronic Actuation 24-Hour Program	Solid State Switch	Horizontal	Heat/Cool w/Switching	1F60
		Electronic Actuation 5-Day/2-Day Program	Electro-mechanical (Relay)	Horizontal	Heat/Cool w/Switching	1F90
			Solid State Switch	Horizontal	Heat/Cool w/Switching	1F93
		Electronic Actuation 7-Day Independent Program	Electro-mechanical (Relay)	Horizontal	Heat/Cool w/Switching	1F97
Basic Function	Programming Capability	Actuation Means	Switching	Manual/Auto Changeover	System Type	Model Number
Heat Pump or Multi-Stage	Non- Programmable	Mechanical Actuation	Enclosed Contact Switch	Single Bimetal Operation Manual Changeover	2-Heat/2-Cool	1F57
					2-Heat/1-Cool Heat Pump Circuit	1F58
					2-Heat	1C72
					2-Cool	1C76
					1-Heat/1-Cool	1C74
				Dual Bimetal Operation Automatic Changeover	1-Heat/2-Cool	1C73
					2-Heat/1-Cool	1C71
					2-Heat/2-Cool	1C70
	Programmable	Electronic Actuation 24-Hour Program	Solid State Switch	-----	2-Heat/1-Cool Heat Pump Circuit	1F62
		Electronic Actuation 5+2 Day Program	Electro Mechanical (Relay)	Optional Automatic Changeover	3-Heat/2-Cool	1F91
					3-Heat/2-Cool Heat Pump Circuit	1F92
		Electronic Actuation 7-Day Independent Program		Optional Automatic Changeover	3-Heat/2-Cool	1F95
					3-Heat/2-Cool Heat Pump Circuit	1F94