24 Volt Transformer, C Wire Adapter Thermostat, Compatible with Smart Thermostats and Doorbells Power Supply (23ft Cable) - Amazon.com
Mini Cooper Adapter Lead For Thermostat Housing Oe
Jagg Oil Filter Adapter with Thermostatic By-pass, for H-D Sportster & – Jagg Oil Coolers
Honeywell Home THP9045A1098 C-Wire Adapter Smart Thermostat Accessory | eBay
Low-Profile Oil Cooler Thermostat for LS Engines
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
Ingers 24V 500mA C Wire Transformer Adapter for Thermostat and Doorbell, Compatible with Nest / Ecobee / Sensi / Honeywell Thermostat, Nest Hello Doorbell / Ring Doorbell Power Supply - Amazon.com
24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell,Ecobee,Nest and Sensi Smart WiFi Thermostat Pro(25Foot /7.6M Cable) - Amazon.com
Mocal Thermostatic Sandwich Adapter (Mocal Oil Thermostat), Type 4 Engines (Tight Clearance Fittings), MOC-SP1TM18-8AN - Aircooled.Net VW Parts
Mini Cooper N16 N18 Thermostat Adapter Wire New OEM 12518614952 13-16 – ALLMAG Auto Parts
Motion Raceworks Billet LS Thermostat Adapter (12AN/16AN/20AN)
24Volt Transformer C Wire Adapter for Thermostat and All Versions of Ring Doorbell, Compatible with Nest, Ecobee, Honeywell, Sensi, Sensi Smart WiFi Thermostat, Nest Hello Doorbell Supply Cord: Amazon.com: Tools & Home
168-1601 FMP High Limit Thermostat, with adapter | Bresco
LIANSUM 24V 500mA C Wire Adapter for Thermostat and Doorbell Transformer, Compatible with Nest, Ecobee, Sensi, Honeywell, Sensi Smart WiFi Thermostat, Nest Hello Doorbell, Ring Doorbell Supply Cord - Amazon.com