or the furnace control board flashing a "limit circuit open" error code

The FRS-R series is rated for 600V applications

a weather shield or NEMA 4 enclosure is recommended to prevent moisture ingress

making it a drop-in solution for maintaining the critical safety circuit during the sequence of operation

Streamlined Installation: Comprehensive assembly design allows for faster field replacement compared to sourcing individual components

Laars Heating Systems R20607400 Pilot Assembly 326058-755 or the furnace control boardThe Laars Heating Systems R20607400 Pilot Assembly is a critical replacement component engineered to maintain precise ignition and flame rectification in gas fired hydronic systems. This pilot assembly with burner is a direct OEM match for the obsolete 20607400, ensuring zero gap compatibility with your existing manifold and gas valve configuration. Operating at 24 volts, this assembly integrates a high output spark ignition electrode and a