Laars Heating Systems R2005900 Proportional Temperature Control Module for Rheos & Rheos+

The Laars Heating Systems R2005900 is a genuine OEM Proportional Temperature Control Module designed as a direct replacement for Laars Rheos and Rheos+ boilers and combination water heaters. This module serves as the primary proportional control component in the system's control assembly, regulating temperature output to maintain precise and efficient heating performance.

This part replaces the previous Laars part number E2104000 and is listed as item #69 in the Rheos series parts diagram, working in conjunction with the temperature control (R2005800) and associated relay components.

Key Features:

• Genuine OEM Laars Heating Systems replacement part
• Proportional temperature control functionality for accurate heat regulation
• Direct replacement for previous part number E2104000
• Compatible with Rheos (RH) series boilers and combination water heaters
• Fits both horizontal (RHCH) and vertical (RHCV, RHHH, RHHV) Rheos configurations
• Covers 1200, 1600, 2000, and 2400 MBtu/h model variants

Compatible Models Include:

• RHCH1200, RHCH1600, RHCH2000, RHCH2400
• RHCV1200, RHCV1600, RHCV2000
• RHHH1200, RHHH1600, RHHH2000, RHHH2400
• RHHV1200, RHHV1600, RHHV2000, RHHV2400

Restoring your Rheos system's proportional control module with a genuine Laars part ensures proper operation and continued system reliability. Cross-reference your model number before ordering to confirm compatibility.