This OEM Weil-McLain part minimizes troubleshooting time by offering direct drop-in compatibility with existing gas manifolds and pilot generators

Always verify the glass outside diameter (OD) is 5/8" before installation

Note that when replacing certain legacy GE models

ensuring the HVAC expansion valve modulates accurately during both peak loads and low-load periods to protect the compressor and lower energy consumption

The 1675 is engineered with a 42Y frame

Schneider Electric (Viconics) R820-621-REV2 Control 326058-757 This OEM Weil-McLain part minimizesThe Schneider Electric R820 621 REV2 is a field proven SCR power controller engineered for precise modulation of electric heating loads in demanding commercial and industrial HVACR environments. Designed by Viconics, this solid state silicon controlled rectifier supports a broad voltage range up to 600V AC and is rated for a 25A current capacity on single phase systems. This unit is specifically optimized for resistive loads, making it the industry