Description
The Weil McLain 633-600-011 AcuTemp 2000WM is a precision boiler temperature control designed for use with Weil McLain hydronic heating systems. This version ships without the immersion temperature sensor, making it the ideal replacement or upgrade option for installations where the existing sensor is being retained or sourced separately.
Product Overview
The AcuTemp 2000WM control is engineered to deliver accurate, responsive boiler water temperature management. Designed specifically for compatibility with Weil McLain boiler systems, it helps maintain consistent heating performance, protect system components, and support efficient fuel consumption across a range of hydronic heating applications.
Key Features
- Designed for Weil McLain hydronic boiler systems
- Precision aquastat-style temperature control functionality
- Sold without immersion sensor — compatible with separately sourced sensors
- Direct OEM replacement for reliable, like-for-like performance
- Supports accurate boiler water temperature regulation
- Helps protect boiler components from temperature-related stress
- Compact design for straightforward installation
Application
The AcuTemp 2000WM is suited for residential and light commercial hydronic heating installations utilizing Weil McLain boilers. It is commonly used as a direct OEM replacement control when the original unit requires service or upgrade. The “No Sensor” configuration allows technicians to reuse an existing compatible sensor or pair the control with a separately ordered sensor assembly.
Why Choose Weil McLain Controls
Weil McLain is a trusted name in hydronic heating, with a long-standing reputation for quality boiler systems and components. Genuine Weil McLain controls like the AcuTemp 2000WM ensure proper system compatibility, accurate temperature response, and long-term reliability — critical factors in maintaining comfort and efficiency in any hot water heating system.







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