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RepSupplements 40VA Transformer Primary 120V Volt 24V Secondary HVAC Furnace
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
Block Isolation Transformer, 100 Va, 1 X 230V, 1 X 400V, 2 X 24V, 4.2 A Rohs Compliant: Yes - STEU100/48: Amazon.com: Industrial & Scientific
24 Volt Transformer, C Wire Adapter Thermostat, Competible with All Versions of Ring Doorbell and Thermostat for Nest Ecobee, Sensi and Honeywell, 315" Long Cable 24V Transformer - - Amazon.com
Amazon.com: UpBright 24V AC/AC Adapter Compatible with TDC Power DA-10-24 DA-1024 DA10-24 TDCPOWER DA1024 AUO-48240420 AU0-48240420 AU048240420 Midas Bright Co Ltd 24VAC 0.42A 10VA AC24V Class 2 Power Supply Cord : Electronics
weideer Input 110V 50/60HZ Output 24V 10VA Power Transformer AC/AC Single Phase Transformer for Lighting Power Supplies, Audio Equipment etc. Various Small Power Supplies K-030
Lennox 13H28 Transformer, 208/230, 24V: Amazon.com: Tools & Home Improvement