Wood logs or wood pellets¹ – Clean Air Act Data Entry System

SP Dual 15kW boiler, SP Dual 22kW boiler, SP Dual 28kW boiler, SP Dual 34kW boiler and SP Dual 40kW boiler

SHT TDA Thermodual 30 and 40 log and pellet burning boilers

SHT TDA Thermodual 15 and 25 log and pellet burning boilers