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Pulse arcade — neon hairlines and corner brackets frame the playfield brief.
If the circuit is open or the lead wires show signs of thermal degradation
industrial-grade electrical control component designed specifically for three-phase commercial heating applications
OEM Compatibility: Authentic York S1-025-35358-000 replacement ensures correct mounting and terminal alignment for Source 1 equipment
Internal 10K Ohm Sensitivity: Optimized for municipal water and general-purpose conductivity sensing
protecting the heat exchanger from dry-firing and catastrophic failure
Burnham Boiler 104450-01 Aquastat Relay THPU32HP7Y If the circuit is openThe Burnham Boiler 104450 01 Aquastat Relay serves as the primary immersion controller for hydronic heating systems, regulating high limit protection and circulator functionality. This critical component is engineered to maintain precise water temperatures and prevent boiler overheating by interrupting power to the burner if the high limit set point is exceeded. As an OEM replacement part for Burnham hydronic boilers, it ensures seamless integration
