The Rate-of-Rise (ROR) element responds to temperature increases exceeding 15°F per minute

the 100171945 Gas Valve Kit (Alternative Part Number VAL30032) is the direct OEM replacement for maintaining precise manifold gas pressure

The overall C-dimension is approximately 24

Always verify the model number on your furnace's gas valve before installation to ensure the regulator spring fits the housing

Key Benefits: Multi-Speed Versatility: The 3-speed configuration offers flexible airflow control for optimized system balancing

Carrier 48TMHSRAY--A12 Harness Assembly 321142-301 The Rate-of-Rise (ROR) element respondsThe Carrier 48TMHSRAY A12 Harness Assembly is a critical OEM replacement wiring harness designed for high performance communication within commercial HVAC systems. Serving as the central hub for YAC control (Yet Another Controller) integration, this assembly facilitates seamless signal relay between the main control board and peripheral devices such as thermostats and zone controllers. This specific Carrier HVAC wiring harness is engineered to meet