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Small rectangular transformer unit with mounting tabs and wire terminals, grey metal casing

Rheem

Rheem AP10006-4 Transformer 120V

SKU CH-V3FR-J0PGA

120V transformer replaces multiple Rheem and Grainger part numbers for compatible water-heating equipment

  • Replaces multiple Rheem part numbers for broad compatibility
  • Matches Grainger cross-references for easy sourcing
  • 120 V input suits standard supply circuits
  • New condition ensures reliable out-of-box performance
  • Transformer design delivers consistent voltage conversion

Rheem AP10006-4 Transformer 120V

The Rheem AP10006-4 is a 120-volt transformer designed for plumbing equipment such as sinks and fountains. It serves as a direct replacement component for compatible Rheem systems requiring this specific voltage input.

Replaces listed manufacturer

This transformer replaces a wide range of manufacturer part numbers including the E10, ES50, ES85 and ES120 series. It also crosses to numerous Grainger part numbers such as the 2VRE, 3CFH and 6E74x series. The jump is worth it when your existing transformer matches one of these exact part numbers and requires a 120-volt unit.

Continuous operation in plumbing installations

Under sustained load the transformer delivers steady 120-volt power to connected fountain or sink components. It is built for continuous duty in indoor plumbing environments where consistent voltage is required for pump or control operation. The unit maintains output without the voltage drop seen in short-burst rated alternatives.

How it compares

Measured against everything we stock in Sinks & Pet Water Fountains, at today’s prices. Recalculated every night.

Price $131.99
Pricier than about 71% of the 200 comparable items (median $55.99).

Specifications

Product
Brand nameRHEEM

Questions about this item

Does the Rheem AP10006-4 transformer mount directly onto the fountain chassis or does it need a separate bracket?

The unit is a direct replacement transformer for compatible Rheem drinking fountains and mounts using the existing hardware on the appliance chassis.

Which wires on the 120 V primary side connect to line and neutral during installation?

Connect the black lead to the 120 V supply line and the white lead to neutral; the green or bare conductor goes to the grounding screw on the fountain frame.

How often should the AP10006-4 transformer be inspected or replaced in a high-use fountain?

Inspect the transformer annually for discolouration, buzzing or voltage drift; replace it if secondary output falls outside the fountain controller's specified range.

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