---
title: "Hydro-Quip 8500 Series Cedar Hot Tub Control System Installation & Operation Manual (legacy systems)"
description: "[Hydroquip-Installation-Manual-8500B-BP-Series-Rev2-5_2021](https://www.zenbathworks.com/wp-content/uploads/2022/11/Hydroquip-Installation-Manual-8500B-BP-Series-Rev2-5_2021.pdf)[Download](https://www.zenbathworks.com/wp-content/uploads/2022/11/Hydroquip-Installation-Manual-8500B-BP-Series-Rev2-5_2021.pdf)"
url: "https://www.zenbathworks.com/docs/ht-system-hydro-quip-8500-series-installation-operation-manual/"
updated: "2026-06-01"
category: "Hot Tub Resources / Hot Tub Care & Maintenance"
---

# Hydro-Quip 8500 Series Cedar Hot Tub Control System Installation & Operation Manual (legacy systems)

[Hydroquip-Installation-Manual-8500B-BP-Series-Rev2-5_2021](https://www.zenbathworks.com/wp-content/uploads/2022/11/Hydroquip-Installation-Manual-8500B-BP-Series-Rev2-5_2021.pdf)[Download](https://www.zenbathworks.com/wp-content/uploads/2022/11/Hydroquip-Installation-Manual-8500B-BP-Series-Rev2-5_2021.pdf)