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Using OEM Spence repair parts ensures the pilot-operated regulator maintains its response time and sensitivity under variable load conditions
Key Benefits Prevents refrigerant migration to the crankcase during compressor off-cycles
this 150-550°F black knob is typically included to match the factory-calibrated dial range of the Robertshaw 4200 series
the standard shaft coupler accommodates 1/2" to 3/4" round shafts or 3/8" to 1/2" square shafts
Velocity Boiler Works (Crown) 233028 Board Kit 321894-709 Using OEM Spence repair partsWhen you're dealing with hard start failures or erratic sequencing on Crown BWC series condensing boilers, the Velocity Boiler Works 233028 SOLA Board Kit is the specified OEM solution for restoring precise modulation and safety logic. This Honeywell SOLA control integration manages critical ignition cycles, fan speed modulation, and high limit monitoring for the BWC070, BWC090, BWC120, and BWC151 aluminum gas fired units. By replacing a compromised
