laminar flow for optimal combustion performance across the heat exchanger passes

this S21 series unit supports an operating pressure differential of up to 250 PSI for air/gas and 150 PSI for liquids

This model features a 1/8"-27 NPT pilot tap positioned over the inlet and is configured for external pilot gas flow without a rotor "B" valve

This high-performance furnace vent blower motor comes as a complete kit

Engineered for high-pressure refrigerant control

Conbraco 25-601-00 Gauge Freon laminar flow for optimal combustionThe Conbraco 25 601 00 is an industrial grade 1 2" Chain Lever Water Gauge designed for precise fluid level monitoring in high profile boiler and vessel applications. Built with a rugged bronze body, this assembly features a quick opening design with valve stems that operate on seamless quarter turns. Engineered for durability, it is rated for service up to 250 psig at 400F and 500 psig at 100F. The integrated 12 foot chain and pull handle allow