176x66 de pierres réfractaires De Dietrich 7774086

This refractory stone measuring 176x66 is a compact yet essential part for insulating and protecting your boiler or burner. It helps maintain high combustion temperatures while shielding surrounding components from heat damage. Whether you are upgrading your heating equipment or performing routine maintenance, this stone is a reliable choice for boiler spare parts. Its precise dimensions make it suitable for specific applications where a smaller refractory piece is needed.