Honeywell – ML6421A1017 ML6421, ML7421 405 lbf Non-Spring Return Globe Valve Actuators
Discontinued by Honeywell — we can still source the original ML6421A1017 (new, used or refurbished, subject to availability). Request a quote below.
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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 ML6421A1017 now that it is discontinued?
Yes. Honeywell has discontinued the ML6421A1017, 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 ML6421A1017 be shipped?
ML6421A1017 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 ML6421A1017 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 ML6421A1017 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 ML6421A1017, subject to availability and destination.
The ML6421A,B Non-Spring Return Electric Linear Valve Actuators are suitable for use with low-voltage, single-pole double-throw (spdt), Series 60 two-position and floating controllers. These actuators operate standard Honeywell valves in heating, ventilating, and air conditioning (HVAC) applications.The ML7421A,B Non-Spring Return Electric Linear Valve Actuators are modulating control actuators used with controls that provide an analog output of 0 to 10 Vdc or 2 to 10 Vdc. These actuators operate standard Honeywell valves in HVAC applications. An internal selector plug can be used to reverse the direction of action.
Features & Benefits:
Quick and easy installation, No separate linkage required
3/4 in. (20 mm) stroke on ML6421A and ML7421A, 1-1/2 in. (38 mm) stroke on ML6421B and ML7421B
Low power consumption
Selectable 0(2) to 10 Vdc or 0(4) to 20 mA, Direct/reverse acting input signal with ML7421
Position feedback with ML7421
405 lbf stem force for high close-off ratings
Force-limiting end switches
Manual operator
Synchronous motor
Maintenance free, Corrosion-resistant design
Conduit connector knockout
Certifications:
Canadian Standards Association Listed
Underwriterís Laboratories, Inc. UL94-5V Flame Retardant (file E181716)
Meets CE requirements
Honeywell ML6421A1017 — ML6421 floating control and ML7421 modulating control 405 lbf Non-Spring Return Electric Linear Valve Actuators operate standard Honeywell valves in heating, ventilating, and air conditioning (HVAC) applications. 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.
Specifications
Product
| Lifecycle | Discontinued by Honeywell |
Ordering codes
| Part numbers on this product page | ML6421A1017, ML6421B1040, ML7421A1032, ML7421B1023 |
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