Barrel union O-ring pipe connectors for Raypak Heaters. Flange connector. Suits the following Raypak Rheem & Davey Gas Heaters: 200, 280, 350, 430, RP2100 pool and spa heaters. Requires 2x. Does not suit Spartan 131, Premium 127, 167, and RP2100s with Stainless Steel pipes.
Suits Gray Raypak Barrel Unions Only