ICP 2-Pole Contactor for RHS150H0CA0AAAA — 30A/40A 24V Coil | Ships Today
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Overview
This OEM 2-pole definite purpose contactor is the high-voltage switch that energizes the compressor and condenser fan motor in your ICP Tempstar Heil RHS150H0CA0AAAA heat pump. When the thermostat calls for cooling or heating, the 24V control coil pulls in the contactor, closing the line-voltage contacts that feed the compressor. Available in 30A (PN 1178074) and 40A (PN 1178211) ratings, both with a 24-volt coil. Contactors are wear items — the contacts pit, burn, and weld over thousands of cycles. Common failure symptoms include a chattering or buzzing relay, an outdoor unit that won't start, contacts welded closed so the compressor never shuts off, or visible arcing and pitting on the contact faces.
Specifications
| Spec | Value |
|---|---|
| Part Numbers | 1178074 (30A), 1178211 (40A) |
| Type | Definite Purpose Contactor |
| Brand | ICP / Tempstar / Heil |
| Poles | 2-Pole |
| Contact Rating | 30A / 40A |
| Coil Voltage | 24V |
Compatibility
Engineered for the ICP Tempstar Heil RHS150H0CA0AAAA heat pump and other ICP-family condensing units using a 2-pole 24V-coil contactor. Verify the amp rating, pole count, and coil voltage against your old part before installing.
Installation Guide
- Safety First — Disconnect power at the outdoor disconnect and breaker, then verify zero voltage with a multimeter.
- Access — Remove the condenser unit service panel.
- Document — Photograph all line and control wires before disconnecting.
- Remove — Note each wire location, disconnect the line-voltage and 24V coil leads, and unscrew the old contactor from the bracket.
- Install — Mount the new contactor and reconnect every wire exactly per your photo, confirming L1/L2 and coil terminals.
- Test — Restore power and confirm the contactor pulls in cleanly on a call for cooling and drops out when satisfied.
Signs You Need a Replacement
- Loud buzzing, humming, or chattering from the outdoor unit
- Compressor and fan won't start even though the coil is getting 24V
- Contacts welded closed — the unit runs continuously and won't shut off
- Visible pitting, burning, or arcing on the contact surfaces
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