Professionals often use the Hankison E7-16-03 as a primary protection stage upstream of high-efficiency dryers to mitigate pressure drop and optimize system longevity

Precision Fit: 5/8" discharge-side bore prevents slippage and ensures proper alignment within the fan shroud

It features a factory-preset 4" WC natural gas pressure regulator and supports a high-flow capacity of 720

leak-free installation in tight boiler cabinets

it eliminates the need for field programming

Marley Engineered Products 4520-2025-000 High Limit 318423-701 Professionals often use the HankisonFor service technicians maintaining Marley high output heating systems, the Marley Engineered Products 4520 2025 000 High Limit is a critical safety component designed for open on rise circuit protection. This SPST (Single Pole Single Throw) limit switch is engineered to trip and interrupt the heating circuit when temperatures reach 180F, preventing heat exchanger damage and potential fire hazards. As an automatic reset control, it restores continuity