ADEMCO RC840T-240/U Electromechanical Relay with 24 V Built-In Transformer 208/240 VAC,
FUH54 / G73 with a Aube RC840T-240 | The Garage Journal
Heating Relay w/ Transformer RC840T-240
220V 240V Relay, Briidea On/Off Switch Electric Heating Relay with Built-in 24V Transformer, Replacement for Any Relay, Compatible with 24V Thermostat, Building Supplies - Amazon Canada
Can't get 240v heater working from 24v thermostat relay. Is my wiring wrong? ARGH : r/electricians
Aube Technologies RC840T-240 On/Off Switching Electric Heating Relay with Built-in 24 V Transformer, Black, Electrical - Amazon Canada
Thermostat wiring advice for single-pole with relay : r/Nest
On/Off Switching Electric Heating Relay with Built-in 24 V Transformer -
Trying to wire external line voltage thermostat to a profusion | The Garage Journal
RC840T-120 RC840T-120 Honeywell Aube from HONEYWELLRES - SouthSideControl
Aube 120V-347V Relay 24V Trigger
Amazon.com: Customer reviews: Aube Technologies RC840T-240 On/Off Switching Electric Heating Relay with Built-in 24 V Transformer, Black
Aube 120V Relay With Built In 24V Transformer
INTEGRATION-KIT-PLUS-240V - Relay with built-in transformer 240V+Floor Sensor