Laars Heating Systems R2080201 Kit 320074-702 you know that a call

you know that a call for heat is only as reliable as the control governing it

High-Grade Durability: Manufactured with materials resistant to industrial vibrations and thermal cycling

A faulty relay often results in the system being stuck in a permanent lockout state

This HVAC replacement transformer is a direct drop-in for compatible York and Johnson Controls equipment

Compact Form Factor: With a 4

Laars Heating Systems R2080201 Kit 320074-702 you know that a callThe Laars Heating Systems R2080201 Kit is a field proven temperature control conversion kit engineered to transition existing FX05 controllers over to the more robust Watlow series. As a critical boiler control board upgrade, this kit resolves the obsolescence of the Laars 2400 439 part, ensuring that legacy hydronic systems maintain precise thermal regulation. For technicians managing commercial boiler maintenance, this FX05 to Watlow conversion