Raypak R335A/R335B Uncommon Refractory Kit (005285F) filters Improves both performance and visible

Improves both performance and visible jet presentation

Helps restore dependable heater regulation behavior

Small connector parts like this may not draw attention

When round fittings or housings need controlled turning

and R185B heater applications where the supported drain point at the header needs the correct closure component

Raypak R335A/R335B Uncommon Refractory Kit (005285F) filters Improves both performance and visibleThe Raypak uncommon refractory kit is designed for compatible R335A and R335B heater applications where the supported refractory components in a specific uncommon configuration need replacement. A refractory kit is useful because it helps protect the burner area from heat exposure while supporting the intended combustion environment inside the heater. This replacement is especially useful when the original refractory material is cracked, crumbling,