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Dec 26, 2025 - 10:02 AM
It does need to be empty, yes. You'll be disconnecting part of the plumbing line to hook up the new heater, so your spa would leak quite badly if it weren't drained beforehand.
does the Hot tub need to be empty to replace this? MS 50U Control Pack Control Packs
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Open Dec 26, 2025 - 10:02 AM
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MS 50U Control Pack
The X300732 Master Spas Hot Tub Part MS 50U Control Pack is an advanced, high-performance control system designed to provide precise and reliable management of your hot tub’s features. This control pack is engineered specifically for Master Spas hot tubs, ensuring compatibility and seamless integrat...
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