Waterway 90° Elbow [Ell] [1-1/2" Slip x 1-1/2" Slip] [w/Dual Thermowell] (400-5540) bathparts 5 inch MBT/FPT connections

5 inch MBT/FPT connections

A pressure switch is useful because it helps verify proper system conditions before the heater continues operating

Raypak air shutter

better energy management

Useful for shutoff and line isolation in compatible systems

Waterway 90° Elbow [Ell] [1-1/2" Slip x 1-1/2" Slip] [w/Dual Thermowell] (400-5540) bathparts 5 inch MBT/FPT connectionsThe Waterway 400 5540 90 degree elbow is designed for compatible 1 1 2 inch plumbing applications and includes dual thermowells. A fitting like this is especially useful because it combines a standard directional turn with dedicated thermowell provision, making it more versatile in systems where temperature related monitoring or control integration is needed. Using a purpose built Waterway elbow with dual thermowells can simplify the plumbing layout