GG474-2053-3 — Reheater Condenser Repair & Overhaul

Component Overview

A reheater condenser is an integrated heat-transfer component within the high-pressure water-separation loop of an air cycle pack, combining reheater and condenser functions to remove moisture from process air before it enters the cooling turbine. The condenser section cools the air below its dew point so entrained water can be coalesced and extracted, while the reheater stage recovers energy and reheats the dried air to manage downstream temperatures. It is central to the system's reheaters and condensers capability. As a brazed compact core, it is prone to internal fouling, corrosion, fin damage, and braze-joint cracking producing cross-leakage or external leaks. Loss of separation efficiency, blockage, and pressure-drop increase commonly drive cleaning, repair, leak testing, and performance restoration.

Aircraft Application

Part number GG474-2053-3 (Reheater Condenser) is installed on the Bombardier CRJ900. QTC supports operators and MROs servicing this platform with certified repair and overhaul.

Our Repair Capability

QTC repairs and overhauls GG474-2053-3 to the original manufacturer's specifications under our FAA and EASA Part 145 approvals. Our team — including former OEM heat transfer engineers — performs teardown, inspection, cleaning, component replacement, functional testing, and certification, returning a serviceable unit with the appropriate airworthiness release. We also develop repairs for rejected and beyond-economic-repair (BER) hardware.

View Reheaters & Condensers capability →

Related Parts

Other reheater condenser part numbers we repair — view all Reheater Condenser parts →

Frequently Asked Questions