Waterway 45° Pump Union [2" FBT x 2" Spigot] (400-4300) floatingfeeders and R405 heaters

and R405 heaters

When the heating side of the system begins to feel inconsistent

A header like this is useful because it helps manage the water path through the heater while supporting proper assembly structure and sealing

The EW48 fit gives this assembly practical value because internal filter components work best when they match the original model relationship closely

while the Ultima fit preserves the original pump-platform relationship

Waterway 45° Pump Union [2" FBT x 2" Spigot] (400-4300) floatingfeeders and R405 heatersThe Waterway 400 4300 45 degree pump union is designed for compatible pump plumbing applications using a 2 inch female buttress thread connection and a 2 inch spigot outlet. A 45 degree union like this is useful where the pump connection needs to remain serviceable while also redirecting the plumbing path more gently than a 90 degree turn. This combination can be especially practical in tighter equipment areas where alignment matters but a full right