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Differential expansion
Efficient Serviceability: The 1 1/2 inch shank length provides sufficient clearance for easy tool access and hose attachment
maintaining the critical distance between the blower wheel and housing for peak aerodynamic efficiency
it maintains tight thermal differentials within a standard range of 50°F to 90°F (10°C to 32°C)
100 Grade 1A accuracy
Utica-Dunkirk PB-011.03 Standing Pilot Differential expansionThe Utica Dunkirk PB 011. 03 Standing Pilot is a precision engineered natural gas standing pilot assembly designed specifically for ECR International heating platforms. As a genuine OEM replacement part, it ensures direct compatibility with Utica and Dunkirk boilers, maintaining the millivolt signal integrity required for reliable gas valve actuation. This assembly is critical for technicians servicing older atmospheric boiler systems where consistent