Lennox 81G65 Relay 318820-201 While the switch itself is

While the switch itself is a rugged mechanical component

Durable Construction: Forged brass body rated for 300 psi static pressure ensures longevity in commercial and residential settings

this unit serves as the direct replacement for Fasco D564

always verify that the appliance's ignition sequence does not specifically require a slow-opening characteristic for delayed main burner ignition

Lennox 81G65 Relay 318820-201 While the switch itself isThe Lennox 81G65 Latching Relay is a specialized DPDT (Double Pole Double Throw) control component engineered for precise electrical switching in commercial and residential HVAC systems. Operating on a 24VAC 50 60Hz coil, this relay utilizes a magnetic latching mechanism that maintains its contact state without requiring a continuous power signal. This design is essential for HVAC lockout circuits and energy saving control logic where maintaining