Therm-O-Disc 15S1 309561 24 VAC Fan Control Sequencer Relay Style:Used Square D 8536SE01S 90 Amp

Square D 8536SE01S 90 Amp 600VAC Series A Motor Starter

The Wheelock IOB-R is a rugged weatherproof back box engineered for outdoor alarm and notification device installations

5 HVAC Control Circuit Board offers reliable control for heating

safe switching in 230V AC electrical circuits of up to 6 Amps

Heavy Duty Push Button Switch

Therm-O-Disc 15S1 309561 24 VAC Fan Control Sequencer Relay Style:Used Square D 8536SE01S 90 AmpThe Therm O Disc 15S1 309561 is a 24 VAC fan control sequencer relay designed for HVAC systems. This relay manages fan operation timing and sequencing in heating and cooling applications, ensuring proper system coordination and efficiency. Built for reliable performance in commercial and residential installations, it provides precise control over fan motor activation. Ideal for technicians and contractors needing dependable climate control components.