ICP 2-Pole 30A Contactor for RGS121STAB0AAAA — 24V Coil | Ships Today

Overview

This genuine OEM 2-pole definite-purpose contactor, part number 1178074, is rated for 30 amps with a 24-volt control coil. The contactor is the electrical switch that energizes high-voltage loads — such as the compressor and condenser fan motor — when its coil receives a 24V signal from the control board or thermostat. Each call for cooling pulls the contactor's armature in, closing both poles to deliver line voltage to the load; releasing the coil opens the contacts and shuts the load off. Because it cycles every run, the contactor is a common wear item. Failure modes include pitted or welded contacts that keep the system running continuously, a burned or open coil that won't pull in, or chattering and buzzing that signals weak coil voltage or worn contacts.

Specifications

Compatibility

Direct OEM replacement for ICP, Tempstar, Heil, and Comfortmaker equipment including model RGS121STAB0AAAA. A 30A 2-pole 24V contactor is a widely used configuration — verify amp rating, pole count, and coil voltage against your existing contactor before installing.

Installation Guide

1. Safety First — Disconnect power at the disconnect and breaker, then verify zero voltage with a multimeter across all terminals.
2. Access — Remove the unit's electrical service panel.
3. Document — Photograph every line, load, and coil wire before disconnecting anything.
4. Remove — Label and disconnect the wires, then unscrew the old contactor from its mounting.
5. Install — Mount the new contactor and reconnect each wire exactly per your photo, observing line and load sides.
6. Test — Restore power and confirm the contactor pulls in on a cooling call and the load energizes cleanly.

Signs You Need a Replacement

• System runs continuously or won't shut off (welded contacts)
• Loud buzzing, humming, or chattering from the contactor
• Compressor or fan won't start despite 24V at the coil
• Visible pitting, burning, or melting on the contacts

Shipping & Returns

Ships same day for orders placed before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.