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Adjustable Blowdown: Dual control rings provide professional-grade adjustability for exact pressure relief and minimal simmer
Common Questions & Installation Notes: Is this valve compatible with natural gas systems
allowing for precise airflow adjustment based on static pressure requirements
though it is often used in balanced-flue setups where 2-inch diameter pipe is specified for the air management system
Hydrolevel 700 Low Water Cut-Off 321142-301 Adjustable Blowdown: Dual control ringsThe Hydrolevel 700 Low Water Cut Off (45 700) is a contractor grade 24Vac LWCO designed specifically for hot water boilers and as a secondary safety limit on steam systems. Built with a heavy duty electromechanical design, this unit eliminates the common failures associated with float style devices by using the boiler water itself as a conductor. The Hydrolevel 45 700 features a factory integrated manual reset mechanism that activates after a 30
US$ 342.36
US$ 541.08
