| Dimensions | : | 5 in Dia x 3 in H |
| Finish | : | Zinc-Plated |
| Material | : | Steel |
| Suitable For Use With | : | auto-Draft Inducers |
The Tjernlund PS1505 Fan Prover has been designed to monitor the pressure within the fan housing only. A motor or wheel failure will decrease housing pressure and deactivate the pressure switch, thus preventing combustion.
Tjernlund Fan Proving Switch, 5 in Dia x 3 in H, Steel, Zinc-Plated, For Use With: auto-Draft Inducers
- Simple installation
- Mounting hardware furnished
- Fixed setpoints
- Voltage - 125 V-A pilot duty at 24 VAC, 300 V-A pilot duty at 115 - 277 VAC, 15 A non-inductive to 277 VAC
- Electric switch: SPST, normally open snap acting contacts
- Electric connectors #6-32 screw terminals with cup washer
- Control setpoint non-adjustable
- Operating pressure, on increasing vacuum pressure rise, 0.05 +/- 0.02 in WC with diaphragm in vertical position
- 1/2 lb/sq-in maximum pressure
- -400 to 1900 deg F Operating temperature
- Diaphragm vertical mounting position
- 5-1/2 in across mounting bracket