Around £15,000 worth of items have been stolen in North Dorset.
Inflatable hot tubs and equipment were taken from Ambassador Pools & Spas near West Stour at the weekend.
Thieves also took a van, which they later set alight to near Stourhead.
PC Warren Cummings, from North Dorset police, said: "We are carrying out a full investigation into this burglary and making a number of enquiries to identify those responsible.
"I am really keen to hear from anyone who saw any suspicious activity in the area at the relevant time.
"Additionally, I would urge anyone who comes across any inflatable hot tubs for sale in unusual circumstances to please get in touch."
The theft occured between 1am on Saturday 8 February and 2pm on Sunday 9 February 2020
PC Cummings added: "It is believed the items were transported in a van, which was also stolen from the Ambassador Business Park.
"A tracking device on the van shows that it was driven toward Gillingham, where it stopped in the Highgrove area for around 45 minutes.
"The van was then driven to Stourhead where it was set fire to.
"Anyone with information is asked to contact Dorset Police at www.dorset.police.uk, via email firstname.lastname@example.org or by calling 101, quoting occurrence number 55200021135. Alternatively, contact Crimestoppers anonymously on 0800 555 111 or via www.crimestoppers-uk.org."