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By precisely controlling heat-on and heat-off delays
the air gap may not capture the entire volume of water
preventing erratic regulation and costly downtime
ensuring efficient combustion and compliance with environmental Low NOx standards for modern gas furnace maintenance and repair
Designed for high-performance hydronic heating and two-pipe low-pressure steam systems
Maxitrol 13A31-50 Vent Protector 340155-7024 By precisely controlling heat-on andThe Maxitrol 13A31 50 Vent Protector is a critical component for technicians installing gas regulators in outdoor environments. Featuring a 3 8" NPT connection, this regulator vent protector is the direct engineering replacement for the Maxitrol 13A15 5. It is purpose built to maintain the atmospheric pressure reference required for proper diaphragm operation while shielding the vent orifice from blockage caused by freezing rain, snow, hail, or