This kit is a critical component for field-servicing pilot-operated regulators

Precision Fit: Optimized for a 1 5/8" pump shaft to ensure a leak-proof interface and reduced shaft wear

The non-metallic disc-to-metal seating ensures a positive seal and reliable automatic reseating after discharge

including IntelliPak and AquaStream systems

It is rated for high pressure environments up to 1015 psi

Laars Heating Systems RE2105500 Diagnostic Board 318423-701 This kit is a criticalMaintain the operational integrity of high efficiency hydronic systems with the Laars RE2105500 Diagnostic Board. This OEM replacement diagnostic control board is a critical component for monitoring real time system performance and resolving complex lockout conditions. Designed to interface directly with Laars heating systems, this board processes input signals from sensors and safety limits to ensure precise combustion and ignition sequencing. As an