Replacement traditional back refractory for Heatilator wood fireplaces. This part measures 23-11/16" x 21-1/2" x 13/16". Fits the following models:

NOTE: To prevent cracking due to thermal shock, we recommend seasoning the refractory by building relatively small fires for the first few burns, and then gradually working up to larger fires.

Heatilator Wood Fireplaces:

• A42C (Post Serial #AK672479)
• A42CH (Post Serial #AK672479) - this would replace the herringbone refractory with the traditional refractory 
• A42R (Post Serial #AK672478)
• A42RH (Post Serial #AK672478) - this would replace the herringbone refractory with the traditional refractory 

Heatilator part # SRV4010-060
OEM HHT part

May fit other models, please check your owner’s manual for part number compatibility.