---
title: "Pre-May 2023 Installation & Operation Guide – Gas Heated Systems – Zen Bathworks Cedar Hot Tubs (legacy systems)"
description: "[Zen_Bathworks_Hot_Tub_System_with_Gas_Heat_Installation__Operation_Guide](https://www.zenbathworks.com/wp-content/uploads/2022/11/Zen_Bathworks_Hot_Tub_System_with_Gas_Heat_Installation__Operation_Guide.pdf)[Download](https://www.zenbathworks.com/wp-content/uploads/2022/11/Zen_Bathworks_Hot_Tub_System_with_Gas_Heat_Installation__Operation_Guide.pdf)"
url: "https://www.zenbathworks.com/docs/ht-system-installation-operation-guide-gas-heat/"
updated: "2026-06-01"
category: "Hot Tub Resources / Hot Tub Assembly & Installation"
---

# Pre-May 2023 Installation & Operation Guide – Gas Heated Systems – Zen Bathworks Cedar Hot Tubs (legacy systems)

[Zen_Bathworks_Hot_Tub_System_with_Gas_Heat_Installation__Operation_Guide](https://www.zenbathworks.com/wp-content/uploads/2022/11/Zen_Bathworks_Hot_Tub_System_with_Gas_Heat_Installation__Operation_Guide.pdf)[Download](https://www.zenbathworks.com/wp-content/uploads/2022/11/Zen_Bathworks_Hot_Tub_System_with_Gas_Heat_Installation__Operation_Guide.pdf)