The Weil-McLain 510-811-476 ignition control retrofit kit is a critical field replacement solution designed to transition older boiler systems from obsolete Fenwal 05-21 or 05-31 series controls to the high-reliability Fenwal 35-655505-011 integrated ignition module

"Herm" for the compressor winding (50 MFD side)

the 37C73U-174 is factory-calibrated for natural gas and features a fixed regulator

This unit is frequently used in constant pressure pilot configurations to provide accurate proportional control

Carrier LA22LA095 Blower Wheel 321894-706 The Weil-McLain 510-811-476 ignition controlUpgrade or restore your HVAC system with the Carrier LA22LA095 Blower Wheel, a genuine OEM replacement part designed for high performance airflow in residential and commercial air handlers and furnaces. As a veteran technician knows, maintaining static pressure and system efficiency requires a perfectly balanced wheel. This 10x7 blower fan features a 10 inch diameter and 7 inch width, engineered with a 1 2 inch bore to seat securely on standard motor