Pump Accessories

For Grundfos UP Series single speed 115V domestic circulator pumps.

The Grundfos 99970234 ISP‑44 is a precision pressure transmitter capable of measuring up to 145 psi. Built for reliability, it uses a 4‑20 mA output signal and features a ¼" NPT male process connection. Designed to work with ISP‑40 and ISP‑44...