Trane SHE5330 Sheave THPU32HP7Y leading to a "No Flow"

leading to a "No Flow" error code on the boiler controller even when the pump is running

a clogged pressure port

Broad Compatibility: Optimally sized for 3/8" stems used in 2

Does this kit include the head gasket

Rugged Circuitry: Designed to withstand the thermal cycling and electrical transients common in outdoor cabinet environments

Trane SHE5330 Sheave THPU32HP7Y leading to a "No Flow"The Trane SHE5330 Sheave is a high performance HVAC blower pulley designed for precise power transmission in commercial and industrial air handling units. Featuring a 1 inch bore and an AK69 profile, this single groove sheave is engineered for a seamless fit with 1 inch motor or blower shafts, ensuring optimal belt drive alignment and reduced vibration. Unlike generic alternatives, this pulleys and sheaves component is constructed from heavy duty cast