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Millivolt Compatibility: Operates efficiently on 250mV to 750mV systems
Extended Valve Lifecycle: Rebuilding the internal assembly prevents the need for full valve body replacement
The Hydrotherm 62-3668 Pilot Assembly is a high-performance intermittent pilot ignition component engineered for specialized Hydrotherm boiler models including the HC
frequently cross-referenced as 208V42
As the direct replacement for 912-0001-17
Johnson Controls A28AA-37 Temperature Control 30067439-890 Millivolt Compatibility: Operates efficiently onTemperature Control, Two Stage, 2 SPDT Switch Action, 120 208 240 277 Vac, 60 140 Degree Setpoint Range, 5 Degree Differential Each Stage, 2 7 Degree Adjustable Differential Between Stages, 3 8" x 4" Bulb, 6' Capillary Length, Knob Range Adjuster A28AA 37 is identical to A28AA 37C
