Lochinvar & A.O. Smith 100208502 Relay 340155-7024 The direct-coupled bonnet eliminates the

The direct-coupled bonnet eliminates the need for complex linkages when pairing with modern Siemens OpenAir or Flowrite drives

Precise Pressure Modulation: Maintains consistent evaporator pressure regardless of fluctuations in suction header pressure

The HVAC air pressure sensor utilizes high-sensitivity diaphragms and normally open (N/O) silver-alloy contacts to provide reliable continuity and integrated safety logic

The 21L98 is the exact same component as the 21L9801

while the CCW rotation (lead end) matches original equipment specifications for single-phase

Lochinvar & A.O. Smith 100208502 Relay 340155-7024 The direct-coupled bonnet eliminates theThe Lochinvar & A. O. Smith 100208502 Relay is a high performance 1. 5HP pump relay kit engineered for precise load management in commercial and residential hydronic systems. As a critical OEM replacement part, this heavy duty relay ensures seamless electrical sequencing for 1. 5 horsepower circulation pumps, preventing motor lag and protecting the integrated control board from high amperage spikes. This component is widely utilized across the