Increasing the VA (Volt-Amp) rating is acceptable as it allows the transformer to handle a higher current load more efficiently

Common Questions & Technical Support Is the P499RAP-101 compatible with ammonia systems

and Source 1 control systems for seamless thermostat communication

and internal system debris

Armstrong International B1669-4 Pressure Change Assembly Els PW 17895 Increasing the VA (Volt-Amp) ratingThe Armstrong International B1669 4 Pressure Change Assembly is a precision engineered internal component designed to restore the peak performance of your steam system. Featuring a 1 8" orifice, this assembly is vital for maintaining the mechanical integrity and discharge capacity of inverted bucket steam traps. It is fully compatible with a wide range of Armstrong models, including the 211, 310, 800, 811, TVS 811, 880, 881, 981, and EM Series.