With a rating of 120/240 VAC at 10 Amps

it provides repeatable performance and long-term stability by utilizing a stainless steel snap-acting disc that eliminates the need for external mounting brackets

avoid using metal bits or reamers that could enlarge the opening

meaning the delay logic is built directly into the circuitry

including models from Rheem

Lennox 47K20 Transformer With a rating of 120/240The Lennox 47K20 Transformer is a heavy duty step down control transformer engineered for high demand HVAC low voltage control circuits. Designed to provide a reliable 24V secondary output from a 208 240V primary input, this 40VA Class 2 transformer ensures consistent power delivery to contactors, relays, and integrated furnace control boards. This unit is a direct OEM replacement part and is technically identical to the Lennox 47K2001 and the