Laars Heating Systems E0088400 Relay 320819-301 rectified 24 VAC output to

rectified 24 VAC output to drive stage

It replaces older part numbers such as ICP 1000985 and is functionally equivalent to the Honeywell L4064B series

making it fully compatible with both cooling-only and heat pump applications

Enhanced Flow Performance: High-capacity piston design handles 40 SCFM

Common Service Questions & Compatibility: Is the 100165929 compatible with my unit

Laars Heating Systems E0088400 Relay 320819-301 rectified 24 VAC output toThe Laars Heating Systems E0088400 Relay is a specialized 24V DPNO Lockout Relay engineered for critical safety sequencing in high efficiency boilers and water heaters. As a Double Pole Normally Open component, it provides essential circuit isolation and prevents unsafe operation by locking out the ignition sequence when a fault is detected in the control loop. Designed for compatibility with various Laars boiler parts, this relay is commonly found in