Resideo Q340A1066 Thermocouple For contractors performing routine maintenance

For contractors performing routine maintenance or seal replacements

and is designed for furnace rollout protection applications across multiple 58-series models

Precision Solder Cups: Designed for optimal fit and flow-control

The Maxitrol R9110-515 is a professional-grade 5-15" WC green spring engineered to provide accurate pressure regulation in systems requiring mid-to-high water column settings

Resideo Q340A1066 Thermocouple For contractors performing routine maintenanceThe Resideo Q340A1066 is a professional grade Universal 30mV Thermocouple designed for high reliability pilot flame sensing in standing pilot gas fired heating systems. This 18 inch thermocouple features a heavy duty construction with a focus on Maximum Copel content to ensure long term durability and consistent millivolt generation. When the pilot flame contacts the tip, the resulting temperature differential produces a stable 26mV 32mV open circuit