Lochinvar & A.O. Smith 100110973 Switch Refrigerant Is the BAYICSI003A a direct

Is the BAYICSI003A a direct swap for the older BRD3177

The 1/2" bore is designed for a precision fit

On a call for heat

Specifically calibrated with a 190F-Open and 150F-Close thermal profile

allowing technicians to manually override the valve during system troubleshooting or emergency bypass operations

Lochinvar & A.O. Smith 100110973 Switch Refrigerant Is the BAYICSI003A a directThe Lochinvar & A. O. Smith 100110973 Blocked Flue Switch is a critical safety component designed for high efficiency boilers and commercial water heaters. As a veteran technician knows, this negative pressure switch (often referred to as a spill switch) is engineered to sense obstructions in the venting system, protecting the heat exchanger from hazardous flue gas recirculation. When the integrated sensor detects a lack of proper draft or a blocked