Raypak R335A/R335B Uncommon Refractory Kit (005285F) filters Useful when replacing a failed

Useful when replacing a failed or worn circulation pump

Useful for maintenance and repair

Helps restore pressure-sensitive control in compatible systems

Supports more reliable heater operation

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 Useful when replacing a failedThe 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,