Pentair Drain Plug | IntelliPro Variable Speed Pump Series | U78-920PZ
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- Backordered: contact us for ETA
- SKU:
- U78-920PZ
-
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About This Item
The Pentair Drain Plug (U78-920PZ) is the OEM replacement drain plug for the IntelliPro series variable speed pumps, including the IntelliPro VS, IntelliPro VSF, and IntelliPro 2 VST.
⚠️ IMPORTANT: QUANTITY REQUIRED PER PUMP
Most IntelliPro variable speed pumps require 2 drain plugs per unit for a complete service. The IntelliPro Variable Speed Pump (pre-2019 model) requires 1. Confirm your model and service requirement before ordering — see the Fits Into table below.
⚠️ IMPORTANT: MODEL YEAR QUALIFIER
The IntelliPro VS compatibility is specific to units manufactured after 2018. The original IntelliPro Variable Speed Pump (pre-2019) uses a different quantity — 1 plug per unit. Verify your pump's manufacture date before ordering.
The drain plug seals the pump housing drain port, preventing water from escaping the volute when the pump is shut down or winterized. A cracked or missing drain plug allows the pump body to drain unintentionally during operation or permits water ingress that can freeze and crack the housing during cold-weather shutdowns.
Specifications
| Pentair Part Number | U78-920PZ |
| Part Type | Drain Plug |
| Quantity Included | Each (1) |
Fits Into
| Brand | Equipment Line | Model / Part Number | Notes |
| Pentair | IntelliPro VSF Pump — IntelliPro Series | INTELLIPRO VSF | Qty. 2 required per pump |
| Pentair | IntelliPro 2 VST Pump — IntelliPro Series | INTELLIPRO 2 VST | Qty. 2 required per pump |
| Pentair | IntelliPro VS Pump (After 2018) — IntelliPro Series | INTELLIPRO VS | Qty. 2 required per pump; applies to units manufactured after 2018 |
| Pentair | IntelliPro Variable Speed Pump — IntelliPro Series | INTELLIPRO | Qty. 1 required per pump; applies to units manufactured before 2019 |
Compatibility is based on Pentair parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering.
Pro Tip
When winterizing or opening your IntelliPro pump, replace both drain plugs as a set rather than reusing the originals — plugs are inexpensive and a failed seal during freeze-up can crack the pump housing. Check the part number stamped or molded on your existing plug and confirm it matches U78-920PZ before ordering. If your pump was manufactured before 2019, only one drain plug location is present — order accordingly.
