ICP 2-Pole 30A Contactor for RHS181S0BA0AAAA — 24V Coil Heat Pump Contactor | Ships Today
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Overview
This OEM contactor kit covers the 2-pole 30-amp contactor (part 1171554) and the 3-pole 40-amp contactor (part 1172449) used on the ICP / Tempstar / Heil RHS181S0BA0AAAA heat pump. A contactor is an electrically operated switch: when the thermostat calls for cooling or heating, the 24V coil pulls the contacts closed and sends line voltage to the compressor and condenser fan motor. Both contactors here use a 24V control coil. Contactor contacts are a high-wear item — every cycle arcs slightly across them, and over years they pit, burn, weld shut, or chatter. A failed contactor is one of the most common no-cool / no-heat heat pump calls, showing up as a unit that won't start, won't shut off, or buzzes loudly at the contactor.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1171554 (2P), 1172449 (3P) |
| Type | Definite-purpose contactor |
| Poles | 2-pole and 3-pole |
| Rating | 30A (2P) / 40A (3P) |
| Coil Voltage | 24V |
| Brand | ICP / Tempstar / Heil |
| Fitment | OEM replacement |
Compatibility
Fits the ICP, Tempstar, and Heil RHS181S0BA0AAAA heat pump and related R-series condensers using a 24V-coil definite-purpose contactor. Confirm whether your unit uses the 2-pole 30A (1171554) or 3-pole 40A (1172449) configuration before installing.
Installation Guide
- Safety First — Disconnect power at the breaker and outdoor disconnect; verify zero voltage with a multimeter across the line terminals.
- Access — Remove the condenser control-panel service cover.
- Document — Photograph every line, load, and 24V coil wire before disconnecting.
- Remove — Unscrew the old contactor from its rail/bracket and transfer wires one at a time.
- Install — Mount the new contactor, reconnect line, load, and 24V coil leads per your photo, and torque terminals to spec.
- Test — Restore power, call for cooling, and confirm the contactor pulls in cleanly and the compressor and fan start.
Signs You Need a Replacement
- Loud buzzing or chattering at the contactor
- Pitted, burned, or welded contacts
- Compressor won't start or won't shut off
- Visible arcing or melted contactor housing
Shipping & Returns
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.
Shipping Information
- Orders placed before 3PM CST ship same business day
- Standard delivery: 2-5 business days
- Express shipping available at checkout
- Free shipping on orders over $75
- Tracking number emailed upon shipment
Return Policy
- 30-day returns on unused parts in original packaging
- Electrical parts (capacitors, contactors, control boards) are final sale once installed
- Email info@nationalhvacparts.com to initiate a return
- Refunds processed within 5-7 business days