Grundfos Pumps 519601 Circulating Pump Flange SetThe Circulating Pump Flange Set for Grundfos Pumps 519601 is a precise, durable replacement for UP series circulator pumps. Featuring a 3 4 inch threaded size and cast iron construction, this flange set delivers a reliable seal and long lasting performance. Designed specifically for Grundfos UP pumps, it includes all needed components to restore secure connections: two flanges, two gaskets, and four nuts and bolts. Whats included: two flanges, two

It is a double acting draft control designed for reliable operation on gas-fired systems

Invest in dependable flame control with a trusted valve that supports safe operation

reduce cold spots

and boilers

inlet pipe stop

Lead length: 36 inches

Suitable for air heating and cooling systems

Short-Circuit Current: 45 mA

including infrared burners

Easy drop-in replacement for Beckett oil burners and similar systems

102–26 VAC (black shutter)

This Air Pressure Sensing Switch detects pressure changes and triggers a reliable response with a built-in bleed hole engineered for stable operation at small differential pressures (