Armstrong International D506503 Repair Kit THPU32HP7Y 2-way normally closed pilot-operated valve

2-way normally closed pilot-operated valve designed for demanding industrial and HVACR general service applications

When should a regulator spring be replaced

Replacing the older 100-402 or mercury-based Econostat models

and 2-inch valves

3 scfm rating at a 24Vac supply ensures consistent pressure delivery for small-scale pneumatic actuators

Armstrong International D506503 Repair Kit THPU32HP7Y 2-way normally closed pilot-operated valveThe Armstrong International D506503 Repair Kit, also recognized as the 15B3 CAP ASSY, is a specialized F&T steam trap repair kit engineered for A2, A3, B2, and B3 float and thermostatic steam traps rated at 15 PSI. This comprehensive cap with mechanism and float assembly permits a full internal overhaul without disturbing the piping, restoring optimal condensate drainage and air venting capabilities. By replacing the entire working mechanism, facility