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the V47AA-2 provides proportional response to thermal fluctuations
and remote PLC control where AC power is unavailable
Always cross-reference your compressor's model and serial number against the HVAC part specifications to ensure a match
ensuring accurate sensing even in remote configurations
It's built to spec for Burnham ES2 Series boilers (including ES23 to ES26) and Burnham Series 3 boilers (303B to 306B)
Spence Engineering D5 Pilot 30067439-890 the V47AA-2 provides proportional responseThe Spence Engineering D5 Pilot is a heavy duty, self contained, spring operated pressure reducing pilot designed to provide precise control for steam and air systems. This cast iron pilot is the direct replacement for P D5 C1A1GS and is engineered for use with Spence E Series main valves. With a 1 10 psi spring range, it offers an accuracy of 1 2 psi, making it an essential component for low pressure steam regulation where stability is paramount. The
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