Boiler Manuals. Contact Us. Cookie Policy. Coronavirus (Covid 19) Statement. COSHH Datasheets. Johnson&Starley J25-32 MAF . Parts Finder. Find By Manufacturer / Boiler Model Johnson & Starley Hiflow Mk2. Johnson & Starley Intejan 65. Johnson & Starley J15-22 Mk3. The J25-32 is the boiler which made Johnson and Starley the market leaders in warm air heating systems back in the 1960s and 1970s. It was so successful and long-lived that my guess is that 50% of all warm air boilers in use today are this model. The J25-32 is a tall, thin boiler which draws air in from the hallway of a house or flat, warms it Boiler Manuals. Contact Us. Cookie Policy. Coronavirus (Covid 19) Statement. COSHH Datasheets. Delivery and Returns. Disclaimer. Esteem Bathrooms. FAQs. Gender Pay Gap Report. Johnson and Starley J25-32 Mk3. Share. Part Number : JOS3232. Exploded views. Manuals. Find Your Local Store. Register Your Account. Manage Your Online Account