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This Pentair 474063 Tube Sheet Coil Assembly is designed for MasterTemp HD series pool and spa heaters. It fits 250HDNA, 250HD-LP1 models and includes a coil sealing o-ring kit. The assembly measures 18-1/2 inches in length, 10-1/2 inches in height, and 18-1/2 inches in width.
This kit ensures efficient heating for your pool and spa with durable materials.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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