Spence Engineering D5 Pilot R-410A while specifically optimized for crawl

while specifically optimized for crawl space ventilation

For PMRS model PTACs

or staged equipment

Always check the rating stamped on the side of the Carrier HN53HG120 housing

Spence Engineering D5 Pilot R-410A while specifically optimized for crawlThe 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