The 18K6901 is simply the updated catalog number for the original 18K69 switch

this 3/4" MNPT x 3/4" FNPT valve is factory set at 75 PSI to ensure system integrity

as it is a direct fit for numerous York temp control assemblies

When troubleshooting a pilot that is too large or exhibiting poor combustion

Universal Compatibility: Designed specifically as a Barber-Colman replacement part for a wide range of legacy and modern Schneider Electric wall sensors

Maxitrol 325-5L-1 Regulator Els PW 17895 The 18K6901 is simply theThe Maxitrol 325 5L 1 is a professional grade 1 inch NPT gas regulator designed specifically for 2 PSI piping systems. Engineered for residential, commercial, and industrial gas applications, this regulator features a robust lever acting design that ensures precise regulation across all flow rates. The high leverage valve linkage assembly is critical for achieving positive dead end lock up, preventing pressure creep during periods of zero demand and