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

this RIB relay in a box provides field technicians with a reliable

Engineered for rapid response to heat exchanger over-temperature conditions

Proper installation ensures the furnace avoids over-temperature lockout codes while maintaining consistent airflow temperature monitoring

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

Maxitrol 325-5L-1 Regulator Els PW 17895 this 3/4" MNPT x 3/4"The 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