it is critical to secure any excess tubing away from heating elements to prevent false readings or mechanical damage

Always verify the part number against the unit's data plate before installation

this two-way valve features an Amodel flow characterizing disk to maintain a strict equal percentage flow

6 Cv rating and equal percentage flow provide stable control and eliminate hunting in your hydronic loops

Carrier 321975-201 Filter Retainer Rod L99H008 it is critical to secureThe Carrier 321975 201 Filter Retainer Rod is a critical genuine OEM replacement part engineered to maintain the structural integrity of the filtration system in high efficiency Carrier HVAC units. As a veteran grade HVAC filter support, this rod is designed to apply precise tension across the media, preventing filter bypass and ensuring that all return air passes through the filtration interface. Properly secured 321975 201 retainer rods are