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If installing outdoors
The 0161F00054S is constructed from durable
Silver-Plated Contacts: Maximizes electrical conductivity and increases component longevity by resisting oxidation in high-humidity HVAC environments
normally closed (NC) switch is factory-calibrated to open at 170°F
This factory authorized part is designed to detect the specific negative pressure required to ensure safe combustion venting before allowing the ignition sequence to proceed
Laars Heating Systems R11020104 Draft Diverter Assembly 320734-701 If installing outdoorsThe Laars Heating Systems R11020104 Draft Diverter Assembly is a critical OEM replacement part designed for the Laars Mini Therm JV125 boiler series. This JV125 draft hood is engineered to maintain precise atmospheric venting by neutralizing the effect of chimney downdrafts and regulating the flue gas flow. As a direct replacement for part 11020104, it ensures a seamless fit within the Category I natural draft exhaust system, preventing combustion by