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B&G AZ Snap-on Pump Relay


AZ quickly attaches to any B&G wet rotor circulator.

  • Snap-on design allows the AZ to be quickly attached to any B&G wet rotor circulator, reducing your inventory investment (no need to carry ″special″ circulators with factory mounted controllers)
  • Clearly marked terminals make for sure, fast wiring of the system
  • Compact design fits in tight locations and presents a clean professional appearance
  • 100% factory tested assures reliable operation
  • 5 year warranty − the best in the industry
  • Daisy-Chain the AZ relays to form up to three zones
  • Can be used on any B&G model NRF, NBF, SSF or 1/12 to 1/6 HP Series PL

  • The AZ-1X does not have a transfomer and needs to be used with the AZ-1A to form multiple zones. Up to two AZ-1X expansion modules can be daisychained to one AZ-1A to form a maximum of three zones.



Electronic parts are not returnable. Please check to make sure you have chosen the correct part.


Documentation: B_G AZ-1A.pdf


Part No. Qty Unit Price
109423 AZ-1A Pump Controller with transformer $66.00
B&G Isolation Flanges

Can be used with most circulators, including NRF/NBF/SSF wet rotors (except NRF-45, NBF-45),

Series PL’s, Series 100, HV, PR, LR, Ecocirc and other manufacturers’ pumps.

101221LF 3/4" NPT x Flange (set of 2) $44.88
101222LF 1" NPT x Flange (set of 2) $53.46
101223LF 1-1/4" NPT x Flange (set of 2) $75.24
101241LF 1-1/2" NPT x Flange (set of 2) $89.76
101226LF 3/4" SWT x Flange (set of 2) $44.88
101227LF 1" SWT x Flange (set of 2) $53.46
101228LF 1-1/4" SWT x Flange (set of 2) $75.24
101243LF 1-1/2" SWT x Flange (set of 2) $89.76

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