Watts 0274683 Valve 321702-401 High Flow Capacity: Rated at

High Flow Capacity: Rated at over 11 million BTU/h to meet the safety requirements of large-scale commercial boiler systems

The A19BBC-2 is the current production replacement

ensuring a perfect bolt-on fit

this Maxitrol RV series component delivers a total BTU capacity of up to 230

eliminating the need for separate terminal plugs while maintaining a secure

Watts 0274683 Valve 321702-401 High Flow Capacity: Rated atFor high output heating systems requiring robust overpressure protection, the Watts 0274683 (Series 174A 100) is a critical component for both residential and commercial hot water supply boilers. This 3 4 inch pressure relief valve is engineered with a durable bronze body and features an ASME Section XIII certification, ensuring it meets rigorous safety standards for emergency relief. With a factory set point of 100 PSI and a high steam discharge