Description
External Equalization: 1/4" EE line Provides accurate feedback for systems with high-pressure drops across the evaporator
Constructed with corrosion-resistant carbon steel
Will this blade fit other 28-inch HVAC applications
Direct OEM Integration: Exact Match for S1-024-40906-000 ensures electrical compatibility and mounting alignment without field modifications
What is the difference between ICM103 and ICM103B
McDonnell & Miller 328300 Fittings Els PW 29614 External Equalization: 1/4" EE lineThe McDonnell & Miller 328300, also identified as the MA159 Quick Hook Up Fittings, is a critical component for maintaining the efficiency of steam boiler systems. Specifically engineered for seamless compatibility with Series 42A, 47, 64A, and 42S A low water cut offs and pump controllers, these fittings eliminate the need for complex field fabricated piping. This boiler control replacement part includes the upper and lower quick hook up fittings
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy






















