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Direct Replacement: Fully compatible with legacy P300BD-1 installations for faster service calls
Simplified Wiring: Designed for straightforward integration into existing gas monitoring system control loops
Built for the rigorous demands of industrial unit heaters like the Reznor UDAP-75 and the UDAS series
Can I use this in both propane (LP) and natural gas furnaces
McDonnell & Miller 158S Controller Refrigerant Direct Replacement: Fully compatible withMcDonnell & Miller 158S Combination Low Water Cut Off and Pump Controller with Two Snap Acting SPDT Switch (Part Number 178402) 158S is the updated version for 158 (SNAP SWITCH VS MERCURY SWITCH) This item is not qualify for free shipping.
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