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F provides consistent thermal resistance tracking
Common Questions What operators are compatible with the N10857 valve body
For contractors performing HVAC furnace repair or routine pilot burner maintenance
The black with orange stripe color coding provides immediate circuit identification
5-inch bore and is optimized for a 20-degree pitch
McDonnell & Miller P-4-SS Probe Rod Els PW 17895 F provides consistent thermal resistanceThe McDonnell & Miller P 4 SS Probe Rod (Part Number 179545) is a heavy duty, 48 inch 316 stainless steel probe rod engineered for precision liquid level sensing in demanding boiler environments. Designed as a critical boiler safety device, this probe features a specialized PTFE coating (Teflon) to prevent bridging and ensure accurate conductance signals, especially in systems prone to sediment or scale buildup. It serves as a direct replacement