Heater Union: 2 Union with O-Ring set of 2. This heater union fits Sundance Straight flo heaters and also replaces model SP1500UNPAC2C . This is 1 1/2 inches by 2 inches with oring in a set of 2.
Sundance Spas Heater Union 1 1/2 x 2 with O-Ring Set of 2
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