this dark green spring provides a reliable working range of 4-9" WC (Water Column)

Wear commonly occurs due to bearing seizure

allowing the system to resume operation once temperatures have dropped below the differential threshold

By accepting and expelling water volume fluctuations during heating and cooling cycles

preventing catastrophic valve-to-piston contact

Browning A55 Belt 322056-301 this dark green spring providesThe Browning A55 Belt is a heavy duty wrapped V belt engineered for consistent power transmission in HVAC blower motors and industrial fan drives. Featuring a 57. 2 inch outside diameter and a standard A Section width, this Super Gripbelt is constructed with a multi layered fabric wrap that provides superior resistance to oil, heat, and ozone. The internal tension members are heat treated to minimize stretch, ensuring that pulleys remain aligned under