the LA22ZA127 features a 1/2-inch bore

This part acts as a specialized HVAC line connector

and adapter harness to simplify field installation

For service technicians performing maintenance on Modine unit heaters

As a direct replacement for 28237

Carrier HY84DA024 Terminal Block R-407A the LA22ZA127 features a 1/2-inchThe Carrier HY84DA024 Terminal Block is a high grade OEM replacement part designed for precision electrical routing within commercial HVAC systems and residential air handlers. Engineered to maintain the integrity of low voltage control circuits and high voltage power feeds, this terminal board serves as the centralized connection point for thermostat wiring, fan motors, and system sensors. As a genuine Carrier replacement component, the HY84DA024