can this fit a replcement honey well number 8846(this was also a replacement head some years ago

We can't find any reference to Honeywell 8846 - as this was a replacement head are you sure that's the Honeywell number?

can this work with honeywell V4043h1106 28 mm fitting?

It replaces the powerhead element of the valve, so should (I am not a plumber!) work with V4043H1056 (28mm fitting) or V4043H1106 (22 mm fitting)

is this the DVA2/5 siemens item

The DVA2/5 is the replacement actuator for Siemens CVZ valves.(It is also OK for Orkli and Telford models) It is doubtful if this head, which is designed for Honeywell valves, would fit a Siemens CVZ valve

Can this directly replace a Horstmann F222m? That is just pull off the Horstmann and replace it without any plumbing needing done?

Yes!!! You must ensure that the control is set to manual and just simply remove. The converse applies, ensure the control is set to manual and replace over the valve. No plumbing is required.

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⚡ Upgrade your heating game with zero hassle!

DIY FRIENDLY - Common cable colors and clear wiring diagram make installation a breeze.
BUILT TO LAST - Backed by a 3-year guarantee for peace of mind and long-term reliability.
UNIVERSAL FIT - Fits both 22mm and 28mm valves for ultimate versatility.
EFFORTLESS UPGRADE - Swap your valve head in minutes—no costly plumbing needed.
TRUSTED COMPATIBILITY - Seamlessly replaces multiple Honeywell models including V4043H1056 & V4043H1106.

This 2 Port Motorised Zone Valve Head fits 22mm or 28mm valves and directly replaces key Honeywell models like V4043H1056, offering a simple DIY swap without plumbing costs. Featuring a 3 Amp switch rating, manual override, and a 3-year guarantee, it’s engineered for reliable, long-lasting HVAC control.

€ 75.74

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Great experience from order to delivery. Highly recommended!

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The delivery time was excellent, and the packaging was secure.

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Package Dimensions	13.9 x 12.2 x 9.2 cm; 540 g
Specification met	British Gas Number 378452
Warranty description	12 months.
Batteries required	No
Included components	Motorised Actuator Head, Wiring diagram

2 Port 22mm or 28mm Motorised Zone Valve Head Can Replace Honeywell V4043H1056 V4043H1106 V4043C1156 V4043H1007 V4043H1080

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