Replacement valve housing assembly compatible with Delavan models 7801 7802 7811. Designed as a direct replacement to restore valve alignment and housing integrity in burner and fuel delivery equipment. Key benefits Direct compatibility with Delavan 7801 7802 7811 for straightforward replacement and minimal modification. Restores proper valve mounting and port alignment to reduce leaks and erratic valve operation when the original housing is worn or damaged. Built to match original dimensions and mounting patterns for reliable fit and predictable performance. Simplifies work and reduces equipment downtime by providing a ready replacement housing that integrates with existing valve components. Primary functions and attributes Function: houses valve components, aligns inlet and outlet ports, and secures sealing surfaces used by the valve assembly. Compatibility: specified for use with Delavan models 7801 7802 7811. Size and fit: manufactured to original equipment dimensions and mounting locations to ensure a correct bolton fit. Material and durability: constructed using robust materials selected to match the demands of valve housings and to provide long service life under normal operating conditions. Performance: supports correct valve seating and consistent fluid passage when installed with appropriate seals and fasteners. Practical use scenarios Field : service technicians replacing a cracked or corroded valve housing on site to restore reliable fuel or fluid control. Preventive maintenance: plant maintenance teams stocking the housing as a spare part for scheduled overhauls of burner or pump systems. Equipment refurbishment: workshops reconditioning older units where the original housing no longer provides proper alignment or sealing. Installation guidance Compare part dimensions and mounting holes to the original housing prior to installation to confirm fit. seals and gaskets during installation to ensure proper sealing and reliable operation. Tighten fasteners to the equipment manufacturer recommended torque values to avoid distortion of the housing. Compatibility reminder Intended as a replacement for Delavan models 7801 7802 7811. Verify model and part numbers before ordering to ensure correct fit. This replacement valve housing assembly provides a practical, dimensionally accurate option to restore valve housing function and support reliable operation of compatible equipment.