ACV 55445006 air vent 1/2 - manual

ACV End Cap with Regulator 55445006 – Pressure Adjustment Element for ACV Boilers ACV 55445006 is an original end cap with a built-in regulator used to balance pressure inside the boiler housing. Helps protect components from overpressure. Compatible with: Prestige Excellence 32 Smart 210 Compact Condens 35 Advantages: Precise pressure adjustment Easy to install and replace OEM ACV component