Tjernlund Products PS1505 Prover Switch 326058-756 Built for heavy-duty HVAC and

Built for heavy-duty HVAC and process steam applications

this industrial ball bearing ensures superior fatigue life under continuous stress

Is the junction box required for high-humidity environments

A 30A fuse is physically different from a 15A or 60A fuse to ensure that the incorrect amperage cannot be accidentally installed in the circuit

The ASCO 8214G30B-24V Solenoid Valve is a 2-way normally closed gas shutoff valve designed for precision control in high-demand gas-fired equipment

Tjernlund Products PS1505 Prover Switch 326058-756 Built for heavy-duty HVAC andThe Tjernlund Products PS1505 Prover Switch is a critical safety interlock designed specifically for Tjernlund Auto Draft inducers. As a veteran grade fan proving safety switch, it monitors vacuum pressure within the fan housing to verify that the inducer is operating at peak performance before allowing the burner circuit to fire. This SPST air pressure switch features a non adjustable set point of 0. 05" 0. 02" W. C. (increasing vacuum), ensuring