OEM Carrier Rectifier Control Board HK61EA003 for Model EHK210B01

This OEM rectifier control board (part number HK61EA003) is the factory-specified replacement for the Carrier EHK210B01 electric heat kit. The rectifier control board manages the conversion and regulation of electrical power to the heating elements, sequencing energization and protecting the system from overcurrent and fault conditions. When this board fails, you may experience a complete loss of heat output, erratic heating cycles, tripped breakers, or a system locked out with no response to thermostat calls — even when all other components check out.

• Specs: OEM part number HK61EA003 | Rectifier control board | Factory-matched voltage and current ratings | Direct plug-and-play connector replacement for Carrier EHK210B01 electric heat kit
• OEM vs Generic: This is a genuine OEM Carrier board manufactured to exact factory tolerances. Aftermarket control boards frequently use lower-grade components that fail prematurely under sustained heating loads and may not replicate all protective fault logic, risking damage to downstream components.
• Install difficulty: 3/5 — Disconnect all power at the breaker before beginning. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, multimeter, and camera or phone to photograph all wiring harness connections prior to removal. Board swap is straightforward but requires careful connector seating and torque verification on terminal screws.
• Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship same business day from our climate-controlled warehouse.

Compatibility: Designed specifically for the Carrier EHK210B01 electric heat kit. Verify the OEM part number HK61EA003 on your existing board's label before ordering to confirm fitment. If your data plate or board label is unreadable, our HVAC parts specialists can verify compatibility before your order ships — no guesswork, no returns.