Raypak 185/R185A/R185B Drain Plug (006721F) nutsboltsscrews This Ultimax model is configured

This Ultimax model is configured to handle both modes with reliability

Because many pool and spa systems use similar-looking components with small dimensional or model differences

the whole setup can feel less convenient because recurring operation has to be handled manually instead of automatically

That balance is what keeps multiple jets performing consistently without sacrificing pressure

A properly selected Potter and Brumfield relay contributes to more dependable circuit control and more accurate replacement service

Raypak 185/R185A/R185B Drain Plug (006721F) nutsboltsscrews This Ultimax model is configuredThe Raypak drain plug is designed for compatible 185, R185A, and R185B heater applications where the supported drain point closure component needs replacement. A drain plug is useful because it helps maintain a dependable seal at the drainage point while still allowing the system to be opened when service or draining is needed. This replacement is especially useful when the original plug is stripped, cracked, corroded, or no longer sealing properly.