and necessary mounting hardware for immediate installation

and related pneumatic actuators to 2-1/2" through 6" VB-9213

This gasket is compatible with numerous 80% and 90%+ AFUE models

Frequent tripping is typically symptomatic of restricted airflow

or the unit shutting down shortly after the cycles start due to poor flame sensing

Fenwal 01-990040-000 Restraining Device 328140-751 and necessary mounting hardware forThe Fenwal 01 990040 000 Restraining Device is a critical safety component designed for precise temperature control mechanical limit applications. Engineered for compatibility with Fenwal THERMOSWITCH controllers, this industrial thermal restraining hardware prevents unintended adjustment or drift in high vibration environments. As a rugged HVAC temperature limit accessory, it ensures that setpoints remain locked within specified tolerances,