Honeywell – ML6421A3005 ML6421 Series 1800N Linear Valve Actuators

MPN: ML6421A3005 · Brand: Honeywell

Price on request

Discontinued by Honeywell — we can still source the original ML6421A3005 (new, used or refurbished, subject to availability). Request a quote below.

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12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Honeywell HVAC Field Devices (valves, actuators, sensors)
Lifecycle	Discontinued
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

Can I still buy the ML6421A3005 now that it is discontinued?

Yes. Honeywell has discontinued the ML6421A3005, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time.

When can ML6421A3005 be shipped?

ML6421A3005 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up ML6421A3005 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for ML6421A3005 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for ML6421A3005, subject to availability and destination.

ML6421 series provide 3-P floating control of 20mm and 38mm stroke control valves. The actuators are used with threaded valves in the V5011 and V5013 series, and flanged valves in the V5015, V5016, V5025, V5049, V5050, V5328, and V5329 series.

Varieties include 24Vac and 230Vac power, manual operation, 108s or 210s runtime (for 20mm and 38mm stroke respectively). Visual position indication available on the actuator yoke. Actuators are rated at 1800N linear force and IP54 protection class. Accessories are available separately, such as high temperature kits, auxiliary switches, and feedback modules.

Honeywell ML6421A3005 — ML6421 series linear valve actuators are used with control valves in sizes ranging from DN15 to DN150 connection size, with 20mm and 38mm stroke. They are used in a variety of applications where control accuracy is critical. Discontinued by Honeywell — no longer in the current range. PartnerPLC sources new, surplus and discontinued Honeywell parts — request a quote for price, condition and lead time.