Hammar M1A1 Operating Head (2027 expiry!)

Hammar M1A1 Operating Head (2027 expiry!)
Hammar M1A1 Operating Head (2027 expiry!)
Hammar M1A1 Operating Head (2027 expiry!)
Price: £26.99 inc VAT

Current stock is 2022 manufactured and expires Dec 2027

UK delivery from £4.99 per order!


watch video

This replacement operating head will fit all automatic jackets that use the hammar M1A1 (hydrostatic) automatic inflator. (Sometimes mis-spelt as Hammer.)

The kit includes a replacement Hammar hydrostatic head, this part is used for replacing date expired operating heads. See video for fitting instructions.

These parts have a sell by / use by date - ours are guaranteed to be the freshest stock available in the UK. If you are unsure which rearming kit your lifejacket accepts please email us before ordering! 

write a review

Sancho said...
"This shows real exprtise. Thanks for the answer."
Star Rating 3
Martyn said...
"First class service, next day courier for free!!"
Star Rating 5
Colin Merry said...
"The unit is simplicity itself to fit. One twist with the supplied key and the head separates from the cylinder pin mechanism. It really couldn't be easier. I also like the visual aid (green indicator) in determining whether the unit is good. All in all an excellent product."
Star Rating 5
ian said...
"ordered one day arrived the next super quick service"
Star Rating 5
Jimmy Norquoy said...
"First class service"
Star Rating 5
Taeke said...
"perfect advice, super fast shipping for free."
Star Rating 5
Mike Smith said...
"Good service and price from this supplier. Items easy to fit and came with helpful instructions and tool."
Star Rating 5
Crispin said...
"Good date,easy replacement with key,second replacement head on this life jacket. Quick next day postal delivery."
Star Rating 5
Diane said...
"just what we needed and arrived prompty"
Star Rating 5
Trish Bromley said...
"Good website, good products."
Star Rating 4
A Scutt said...
"Excellent service "
Star Rating 5
Mark said...
"Long shelf life as promised, easy to fit as the kit comes with all necessary tools and clear instructions. Excellent service, dispatched almost immediately and arrived the next day "
Star Rating 5
Christopher Hammond said...
"Exactly as described"
Star Rating 5
Robert said...
"Good price and speedy delivery. Will buy again when needed."
Star Rating 5
Martyn Crawshaw said...
"Brilliant service with next day tracked delivery. Best price on internet. This years stock hence maximum usable duration."
Star Rating 5
Adrian Nursey said...
"Excellent service. Part supplied fitted with no difficulty at all"
Star Rating 5
John Sells said...
"Genuine product with use by date of 2025. Easy ordering arrived promptly ."
Star Rating 5
Chris Wilson said...
"All arrived promptly in good order. Thankyou. "
Star Rating 5
James Thorp said...
"The Hammar M1A1 head has given my old (but hardly worn and never used) Crewsaver jacket a new lease of life. Simple to fit and pressure test."
Star Rating 5
Kenneth McVicar said...
"First class service on required essential safety equipment spare. Long period of validity before renewal and maintaining the integrity of our LSA for a few years to come. Dispatched very quickly after order submitted. "
Star Rating 5
Dai said...
"All working as expected for a well established product. Delivered on time from Marine Warehouse."
Star Rating 5
Richard said...
"Good product delivered in a timely manner"
Star Rating 5
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