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Lochinvar PRS3428 , 100166258 Switch, Air Pressure
Lochinvar PRS3428 Switch, Air Pressure
 
Our Price: $74.73

Quantity in Stock:166

Product Code: PRS3428
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Description Technical Specs
 
Lochinvar PRS3428 Switch, Air Pressure.
This comes complete with the mounting nuts and electrical female connector 1/4"

Used in the following models: ERN152, ERN302, ERN202, ERN402, ERN252, ERN151, ERN201, ERN251, ERN301, ERN401, ERL152, ERL302, ERL202, ERL402, ERL252, ERL151, ERL201, ERL251, ERL301, ERL401
Troubleshooting

INSTALLATION INSTRUCTION

FOR REPLACEMENT AIR PRESSURE SWITCH (PRS3428) FOR MODELS: ERN152 - ERN402 and ERL152 - ERL402

􏰁 WARNING

For an appliance already installed, you must turn off gas supply, turn off power and allow appliance to cool before proceeding. Components may be HOT! Failure to comply could result in severe personal injury, death, or substantial property damage.

List of kit components

Replacement procedure

1. Remove the wires from the Lochinvar air pressure switch as shown in.

2. Locate the two rubber hoses attached to the air pressure switch. Slide the tubing clips on the rubber hoses back and detach the rubber hoses from the air pressure switch.

3. Remove the air pressure switch.
4. Install the new parts4heating supplied air pressure switch.
5. Reinstall the two rubber hoses detached in Step 2

NOTE: Be sure to re-install the clear hose to the negative port and the gray hose to the positive port. Move the tubing clips back in place once the rubber hoses are reinstalled.

6. Reconnect the wiring disconnected in Step 1 to the new air pressure switch. Attach the female disconnect terminal (LUG7007) over the blade connector as shown in FIG 3. NOTE: Refer to the wiring diagram located inside the unit for proper wiring of the pressure switch.

7. Turn on the main electrical power and gas to the unit.
8. Reassemble the top outer jacket panel and resume operation.

Figure 2 Remove air pressure switch

DISCONNECT WIRES

REMOVE AIR PRESSURE SWITCH

DISCONNECT WIRES

REMOVE AIR PRESSURE SWITCH

Kit Part Number

Lochinvar PRS3428

Recommended tools:

  • 1/4" Nut Driver

  • 5/16" Nut Driver

  • Needle Nose Pliers

    To gain access to the interior of the appliance

    1. Turn OFF the main electrical power to the appliance.

    2. Turn OFF the main manual gas shutoff to the appliance.

    3. Remove the top outer jacket panel.

4. Follow the procedures in this instruction sheet to replace the air pressure switch.

Figure 1 Remove top outer jacket panel of the Lochinvar Energy Rite

REMOVE TOP OUTER JACKET PANEL

SLIDE TUBING CLIPS BACK DISCONNECT TUBING

Figure 3 Replace air pressure switch

RECONNECT WIRING AND ATTACH TERMINAL (LUG7007)

RECONNECT TUBING (2)


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