Belimo B225+LRB24-SR-T Valve Assembly 319825-402 What is the primary cause

What is the primary cause of collar failure in the field

Verify 120V output from the control board before replacing to differentiate between a cracked element and a logic failure

suitable for diverse HVAC mechanical rooms

While Nortek manufactures parts for many labels (like Maytag or Philco)

It is not intended for use with Hytrel high-torque sleeves

Belimo B225+LRB24-SR-T Valve Assembly 319825-402 What is the primary causeThe Belimo B225+LRB24 SR T is a professional grade 1 inch 2 way characterized control valve (CCV) and actuator assembly designed for precise hydraulic control in closed loop HVAC systems. This assembly features a 30 Cv flow coefficient and a stainless steel ball and stem to resist scaling and corrosion in demanding hydronic applications. The LRB24 SR T non spring return actuator provides 45 in lb of torque, operating on a standard 24V AC DC power