tjernlund vp-2,3 8504025 rev a 0100 Manuale Utente

1. The installer must read and follow these instructions carefully to assure proper installation and operation of the water 

heater vent package.

2. The installer must fill in the required information on the nameplate located on the Power Venter electrical box.

3. The installer must affix the wiring diagram label included with these instructions to the water heater casing adjacent to

its rating plate.

4. The water heater may only be installed on the suction side of Power Venter.

5. The installer must notify the homeowner of the maintenance (Page 13) required with the use of this product.

6. The installer must verify that the pilot safety controls on water heater are in good operating condition before 

installation of the water heater vent package.

7. No more than 2 water heaters may be vented by either the VP-2 or VP-3.

8. The Power Venter must not be installed into any portion of a vent system which serves appliances other than the 

one(s) vented by the VP-2 or VP-3.

1. Water heater thermostat calls for heat.
2. Simultaneously, the Power Venter is actuated by the gas pressure switch and the burner fires.
3. When the thermostat is satisfied the burner shuts down.
4. The Power Venter continues to operate for a non-adjustable time period of approximately 45 seconds to purge the 

vent system of residual flue gases.

5. If, at any time, sustained flue gas spillage is detected by the linear limit spillage sensing switch the solenoid valve is 

de-energized, disrupting the flow of gas to the burner and pilot. The reset button on the linear limit will need to be 
pushed in and the pilot will need to be relit to establish water heater operation.  NOTE: If optional Pilot Saver kit 
(P/N: 950-2061) is installed pilot light should not have to be relit.

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NOTE:  The installer must install the Power 

Venter downstream of the draft hood.