Laars Heating Systems E0088400 Relay 320819-301 Enhanced Flow Performance: High-capacity piston

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

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

an unresponsive thermostat

This part is specifically sized for KN-4 dimensions

Optimal Drainage: Features a pitched floor design to prevent standing water and ensure a consistent flow to the condensate drain line

Laars Heating Systems E0088400 Relay 320819-301 Enhanced Flow Performance: High-capacity pistonThe 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