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which is required for specific tank insulation thicknesses to ensure the sensing element remains in the top 6 inches of the water column
Its robust construction withstands high-ambient temperatures near the combustion chamber
The Johnson Controls VG7241LT+72CHGA is a heavy-duty 2-way normally open control valve assembly engineered for precise flow modulation in commercial hydronic systems
Fail-Safe Reliability: Mechanical spring return functionality ensures the valve opens during power interruption to prevent system freeze-ups or stagnation
Helps resolve common furnace pressure switch stuck open error codes and ignition failures
Maxitrol MR212E-1212 Valve THPU32HP7Y which is required for specificThe Maxitrol MR212E 1212 is a heavy duty 1 1 2" NPT modulating gas valve and regulator engineered specifically for direct fired negative pressure burners. Designed as the primary control component for the Selectra electronic gas flame modulation system, this valve combines high precision modulation and pressure regulation into a single unit. It eliminates the need for an external mechanical actuator or motor driven butterfly valve, providing
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