Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Johnson Controls H321 is a current sensor designed for high amperage applications. This split core sensor is suitable for HVACR systems and appliance controls. The H321 provides reliable measurement for monitoring current flow.
Ideal for monitoring high current levels in various HVACR applications.
Thanks for subscribing!
This email has been registered!