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The Patterson-Kelley 26-4000-0128 Ignitor is a critical high-precision component engineered specifically for commercial boiler ignition systems
A faulty limit switch often manifests as a "limit circuit open" error code on the control board or a burner that refuses to fire despite a call for heat
Common Questions: Does this board replace generic 30-60-90 timers
The SWT3971 is a single-stage SPST switch
Macon Controls N10637 Body 319852-301 The Patterson-Kelley 26-4000-0128 Ignitor isThe Macon Controls N10637 is a heavy duty vertical angle valve body designed for precision fluid control in hydronic and low pressure steam systems. Engineering for reliability in both commercial and residential radiator valve replacements, this 1 2" NPT body features a 1. 8 Cv flow coefficient, ensuring stable heat output for freestanding radiators, convectors, and baseboard units. Constructed from nickel plated forged brass with a durable bronze