Manufacturer Grant Engineering
Trade name Grant
Model name Spira Condensing Wood Pellet
Model qualifier 6-26
Model Identity no.
First Manufactured 2011
Last manufactured Current
Seasonal efficiency 89.5% Efficiency class
Efficiency band Efficiency category Certified
Output Power 6.50 - 26.00 kW Power at min burn rate 6.50 kW
Measured fuel input at full output power 30.55 at part output power 9.00
Measured heat to water at full output power 27.50 at part output power 8.00
Measured heat to room at full output power 0.000 at part output power 0.00
Main type Independent boiler Fuel Wood pellets
Flue Open Fan assistance Fan
Elec. power firing W not firing W
Burner control Electrical Additional ventilation rate
Tested by Body Gac Certificate No. 6395-2
Primary Trade Association
SEBNet or similar approval status 1 Not approved/NA
SEBNet or similar approval status 2 Not approved/NA
SEBNet or similar approval status 3 Not approved/NA
Details available from:

Grant Engineering