McDonnell & Miller 247 Water Feeder 30067439-890 provided the physical footprint fits

provided the physical footprint fits the enclosure

For technicians servicing older R-22 equipment

or differential air pressure in HVAC systems and industrial process control

even under high-temperature conditions

allowing for tool-free attachment or removal from the valve body without breaking the hydronic seal

McDonnell & Miller 247 Water Feeder 30067439-890 provided the physical footprint fitsThe McDonnell & Miller 247 is a heavy duty mechanical water feeder designed for precise fluid level maintenance in low pressure steam boilers and hot water heating systems. Engineered for high capacity applications, this unit facilitates a cold water feed to maintain minimum safe water levels, preventing dry fire conditions. The Part Number 133700 features a proportional feed action that responds immediately to boiler load changes, ensuring stable