Which boilers does the 511-330-090 replace

The Watts 100XL-3-150 is a direct replacement for 100XL-150-3/4 and 100XL-3-150-3/4 models

reducing energy waste in bypass circuits

Precision Balanced: Dynamically balanced to prevent shaft oscillation and extend motor life

Eaton Cutler-Hammer CN15NN3A Contactor 322027-701 Which boilers does the 511-330-090The Eaton Cutler Hammer CN15NN3A is a heavy duty NEMA Size 4 contactor designed for high demand motor control systems and industrial HVACR mechanical assemblies. This three pole non reversing contactor features a continuous current rating of 135 amps and is engineered for reliable full voltage switching of three phase loads up to 600VAC. The 110 120V 50 60Hz coil facilitates seamless integration into standard control circuits, while the open type