Add to Cart Quick view 90 Elbow, 1-1/2"s x 1-1/2"s, w/Thermowell Waterway Plastics MSRP: $26.95 Now: $18.95 Was: Waterway 90 degree elbow with built in 5/16" thermowell for temp or hi-limit capillaries, sensors and probes. This elbow has 1-1/2" slip fittings that will measure 1-7/8" on the inside or each side...