Carrier HH18HZ195 Rollout Switch The MARS 12964 is a

The MARS 12964 is a professional-grade 20/15 MFD 370V dual run capacitor designed for high-demand HVACR applications

Replacing the clamp during a diaphragm change ensures the regulator maintains its set point stability under high flow conditions

non-slip mechanical connection necessary for precise airflow modulation

while the 11/32-32 UNS nut ensures a secure

The spring determines the mechanical tension on the diaphragm to set the outlet pressure regardless of gas density

Carrier HH18HZ195 Rollout Switch The MARS 12964 is aThe Carrier HH18HZ195 Rollout Switch is a critical safety component designed for Carrier furnace flame rollout protection. This OEM furnace safety switch features a Single Pole Single Throw (SPST) configuration with an automatic reset function, ensuring the system remains operational once safe temperatures are restored. Engineering specifications dictate a precise 195F open point to interrupt the heating cycle during abnormal combustion conditions,