The Carrier HH18HA226 Rollout Switch is a critical safety component designed for Carrier

providing reliable protection against restricted airflow or blower failure conditions

The Z3 sealed spring cage and stainless steel adjustment screws allow for reliable performance in outdoor or pit installations

the unit utilizes ANSI flange connections to ensure a secure

managing 2-stage heating and cooling cycles with industrial-grade precision

Reznor 260252 Board 340793-762 The Carrier HH18HA226 Rollout SwitchThe Reznor 260252 is a mission critical Varidigm Integrated Control Module engineered specifically for technical performance in commercial and industrial Reznor gas fired heating equipment. As an essential component for the VARIDIGM BD VB1200 2 RZNR PVA series, this board functions as the primary logic center, managing complex ignition sequencing and flame monitoring. Heavy duty HVAC contractors rely on this OEM replacement part to maintain high