Weil Mclain collection

Weil Mclain

Weil McLain is a recognized name in hydronic heating systems, often integrated into commercial and institutional building management. Their product lines include boilers, water heaters, and controls essential for maintaining comfortable and efficient environments. Facility managers and maintenance technicians rely on Weil McLain for durable equipment and straightforward serviceability, ensuring consistent building operation. Industrial Automation Co. stocks new and refurbished Weil McLain parts with quote-based pricing.

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5M+

Our 5M+ catalog features active breakers, drives, PLCs, relays, and operator interfaces.

24 Months

We offer 24 months warranty on selected brands

24h

Typical quote turnaround for hard-to-source and legacy replacement requests

OEM+

New, refurbished, and surplus paths surfaced clearly for procurement teams

Hard-to-find parts, sourced fast

Real value

Access millions of industrial automation components across PLCs, drives, HMIs, and more. We help you locate discontinued, surplus, and in-demand parts without delays.

Built for urgent procurement

RFQ ready

Submit RFQs for multiple part numbers and get fast, accurate quotes. Ideal for maintenance teams, resellers, and engineers working against downtime.

Verified parts you can rely on

Trusted data

Every listing is backed by supplier validation, condition transparency, and real availability—so you can purchase with confidence.

Global sourcing, local reliability

Worldwide trust.

We work with trusted suppliers worldwide to deliver quality automation parts quickly—reducing lead times and keeping your operations running.

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Weil Mclain SYSTEM-4

SKU · SYSTEM-4

Weil Mclain SYSTEM-4

WEIL MCLAIN SYSTEM-4 SYSTEM4 BOILER CONRTOL UNIT 115VAC 6HZ

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