ICP Gas Valve Support Bracket for RGS121LDCA0AAA — OEM Mounting Bracket | Ships Today

Overview

This OEM gas valve support bracket (part #1178238) mounts and stabilizes the gas valve assembly inside the ICP / Heil / Tempstar RGS121LDCA0AAA furnace. The bracket holds the valve in proper alignment with the manifold and burners so the gas train stays rigid, leak-free, and correctly positioned against vibration and thermal cycling. While the gas valve itself meters fuel to the burners, this bracket is what keeps that valve and manifold from flexing or shifting under load. Replace it when the original is corroded, cracked, or distorted, or when a previous valve service left the manifold unsupported — a poorly supported gas valve can stress the pipe joints and create a gas-leak risk.

Specifications

Compatibility

Made for the ICP/Heil/Tempstar RGS121LDCA0AAA furnace and related RGS-series gas furnaces using the same valve and manifold layout. Verify the bracket geometry against your existing part before installing.

Installation Guide

1. Safety First — Shut off the gas supply and disconnect power; verify zero voltage with a multimeter.
2. Access — Remove the burner/service panel to reach the gas valve and manifold.
3. Document — Photograph the bracket position and how the valve and manifold are secured.
4. Remove — Support the gas valve, remove the bracket fasteners, and take out the old bracket without disturbing the valve threads.
5. Install — Position the new bracket, fasten it, and confirm the valve and manifold are properly aligned.
6. Test — Restore gas, leak-check all joints with soap solution, then restore power and run a heat cycle.

Signs You Need a Replacement

• Corroded, cracked, or bent valve bracket
• Gas valve or manifold flexing or sagging
• Stress or strain visible at the gas pipe joints
• Loose or missing bracket fasteners after prior service

Shipping & Returns

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