Belimo B315+LF24-SR Valve Assembly R-410A What is the primary difference

What is the primary difference between this kit and the 28046

which holds the contact open until the evaporator reaches the warm defrost reset temperature of 42

Constructed from professional-grade ceramic insulation and a durable metal alloy rod

It matches all technical footprints and terminal configurations

Belimo B315+LF24-SR Valve Assembly R-410A What is the primary differenceThe Belimo B315+LF24 SR is a precision engineered 3 way characterized control valve (CCV) assembly designed for modulating control in various HVAC applications. This 1 2 inch NPT valve features stainless steel trim and a Cv of 10, ensuring high durability and resistance to scaling or erosion. Paired with the LF24 SR spring return actuator, the assembly provides a 35 in lb torque output and operates on a 2 10VDC proportional signal. The true spring