though following PART-SVB16E-EN instructions is recommended

a full replacement of the 317412-401 service valve is the only way to ensure a permanent fix and avoid a callback

This genuine McQuay heating part is precision-engineered to meet specific voltage and amperage ratings

this 24V HVAC relay prevents simultaneous high-amperage draws by delaying the blower motor or auxiliary heaters

As a critical component for gas pressure regulation

Carrier 700114-11 Aquastat 30067439-890 though following PART-SVB16E-EN instructions isThe Carrier 700114 11 CR Aquastat is an essential OEM replacement component designed for high precision water temperature regulation in hydronic heating systems. As a primary aquastat control, this unit monitors boiler temperatures to cycle the burner or circulator pumps, ensuring the system operates within safe and efficient thermal parameters. This specific model features a manual reset or automatic cycling capability depending on the application,