Dayton Class 2 Transformer, 60Va, 24Vac, Foot: Electronic Power Transformers: Amazon.com: Industrial & Scientific
24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell,Nest, Ecobee, Sensi and Honeywell Thermostat - - Amazon.com
Packard - PACKARD - PF42440 Control Transformer Class Ii Foot Mount, 40V/24V
Johnson Controls Class 2 Transformer, Input Voltage: 277VAC, 480VAC, Output Voltage: 24VAC: Amazon.com: Industrial & Scientific
Amazon.com: Emerson 90-T60C3 24VAC 60-VA Foot Mount Class 2 Transformer : Industrial & Scientific
24V 40VA Control Transformer, Primary 120, 208, 240V Secondary 24V Isolation Transformers,24V Transformer with Foot Mount for HVAC Furnace Multi Tap
EPLZON 24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell - - Amazon.com
Maxdot 24V 40VA Thermostat and Doorbell Transformer, Power Supply Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell (1 Pcs) - - Amazon.com
Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap (1 Pack) - - Amazon.com
Amazon.com : Elk TRG2440 24VAC, 40 VA AC Transformer with PTC Fuse : Electronics
PWS-2420 24VAC 20VA Class II Power Supply AC Adapter UL 24V Transformer Plug with terminals
24V 40VA Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap with Foot Mount, 2 Yrs Warranty - - Amazon.com
Amazon.com : REVO America RE2440TF 24V AC 40VA Transformer : Ac Adapters : Electronics