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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.
Our 5M+ catalog features active breakers, drives, PLCs, relays, and operator interfaces.
We offer 24 months warranty on selected brands
Typical quote turnaround for hard-to-source and legacy replacement requests
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.
SKU · 313-300-109
Weil Mclain 313-300-109
WEIL MCLAIN 313-300-109 313300109 LEFT END SECTION FOR HT EXCHGR
SKU · 383-500-614
Weil Mclain 383-500-614
WEIL MCLAIN 383-500-614 383500614 HEAT EXCHANGER REPLACEMENT KIT
SKU · 340-004-740
Weil Mclain 340-004-740
WEIL MCLAIN 340-004-740 340004740 ASM 474 CLNOUT DR 90 94 BLRS
SKU · 383-600-037
Weil Mclain 383-600-037
WEIL MCLAIN 383-600-037 383600037 ASY SC-I AL HT EXCH58855
SKU · 383-600-038
Weil Mclain 383-600-038
WEIL MCLAIN 383-600-038 383600038 ASY SC-R AL HT EXCH58856
SKU · 510-350-431
Weil Mclain 510-350-431
WEIL MCLAIN 510-350-431 510350431 PRIMARY W/INTERRPTD PILOT