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

Whether you are maintaining make-up air units or industrial ovens

The materials in the 304-083 kit are designed for standard industrial fluid temperatures

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

This kit enables a seamless transition by adjusting the manifold pressure and orifice sizing to accommodate the higher BTU density of LP gas

Fenwal 01-990040-000 Restraining Device 328140-751 This gasket is compatible withThe 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,