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these internal components are compatible with both the standard bronze and lead-free (LF) 4A series backflow preventers
Built for a direct fit on Weil McLain EG
This part is specifically sized for natural gas Modine units
Robertshaw 5500-224 240V UNIV
ensuring precise combustion and optimal manifold pressure
Laars Heating Systems E0088400 Relay 340155-7026 these internal components are compatibleThe 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