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White metal register heater with front grille and control knob

Cadet

Cadet RM151 Register Heater 500/1000/1500W 120V HVAC Control

SKU CH-5FKD-5GV5T

A 120 V register heater with three output settings of 500, 1000 and 1500 watts, compatible with Cadet RM151, RMC, RMC151, RMGA and RMGW models

  • Three heat settings match room needs
  • 120 V supply suits standard wiring
  • Fits Cadet register series models
  • Heater assembly only simplifies replacement

Cadet RM151 Register Heater

The Cadet RM151 register heater delivers selectable output of 500, 1000 or 1500 watts at 120 volts. It is built for integration with Cadet register series units and suits residential or light-commercial zoning. The package contains the heater assembly only.

Thermals, noise and power draw

The heater converts electrical input directly into heat with no moving parts, so operation is silent. Power draw matches the chosen wattage setting exactly, and surface temperature rises in step with the selected output level.

Highlights

  • Three heat settings match room needs
  • 120 V supply suits standard wiring
  • Fits Cadet register series models
  • Heater assembly only simplifies replacement

Specifications

BrandCADET

Questions about this item

How do I install the Cadet RM151 register heater into an existing Cadet register assembly, and what step is often missed?

Mount the 120 V heater assembly into the compatible Cadet register housing (RM151, RMC, RMC151, RMGA or RMGW), then connect the supply wires to the three-position terminal block for 500 W, 1000 W or 1500 W output; the step most often missed is selecting the correct wattage tap before closing the cover.

What maintenance or replacement will the Cadet RM151 register heater need over time?

The heating element and limit switch are the only serviceable parts; if the element fails or the high-limit trips repeatedly, replace the entire heater assembly — no separate fan motor or filter exists on this model.

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