Lennox 12J17 Relay 326058-757 Durability: Constructed with high-grade materials

Durability: Constructed with high-grade materials to resist the corrosive effects of acidic condensate found in high-efficiency venting systems

to maintain the 0

Enhanced Environmental Sealing: The 120V solenoid coil is encapsulated for resistance against thermal shock and high humidity

and inert gases

Use a calibrated manifold gauge set to check the actual suction pressure against the switch's 30 PSI trip point and verify electrical continuity across the terminals

Lennox 12J17 Relay 326058-757 Durability: Constructed with high-grade materialsThe Lennox 12J17 Relay is a heavy duty 24V DPDT N O Sequencer Relay engineered for precision timing in electric heat applications and furnace blower control. This genuine OEM component, also identified as Lennox 104284 02, utilizes a thermal sequencer design with a voltage compensated PTC (Positive Temperature Coefficient) heater. The double pole, double throw (DPDT) configuration with normally open contacts ensures reliable staging of heating