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Lacquer sheets stacked — description and returns below the cascade board.
and Lennox commercial models
supporting fluid temperatures up to 210°F while maintaining a leak-tight seal
OEM Compatibility: Authentic York S1-025-35358-000 replacement ensures correct mounting and terminal alignment for Source 1 equipment
Fail-Safe Spring Return: Automatically drives the valve to a normally closed position during power failures to protect against uncontrolled flow
Burnham Boiler 104450-01 Aquastat Relay THPU32HP7Y and Lennox commercial modelsThe 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
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