Raypak 53A/55A/105A/155A/185A/R185/185 Pilot Tube Assembly (004078F) heaters Best for service work where

Best for service work where model

The 21063-801-000 is a practical service part when a compatible heater needs half unions to restore dependable plumbing connection support

this control system helps support dependable high-function spa management and contributes to more stable overall operation

A major replacement like this is especially useful when the damage is too central for smaller service parts to fully address

Raypak 53A/55A/105A/155A/185A/R185/185 Pilot Tube Assembly (004078F) heaters Best for service work whereThe Raypak pilot tube assembly is designed for compatible 53A, 55A, 105A, 155A, 185A, R185, and 185 heater applications where the supported pilot gas delivery tube needs replacement. A pilot tube is useful because it helps deliver fuel to the pilot assembly in the way the heater was designed, supporting reliable ignition performance. This replacement is especially useful when the original tube is bent, cracked, corroded, obstructed, or otherwise no