www.desatech.com113170-01E 17TECHNICAL SERVICEYou may have further questions about installation,operation or troubleshooting. If so, contact DESAHeating Productsʼ Technical Service Departmentat 1-866-672-6040. When calling please have yourmodel and serial numbers of your heater ready.You can also visit DESA Heating Productsʼ techni-cal services web site at www.desatech.com.REPLACEMENT PARTSNote: Use only original replacement parts. Thiswill protect your warranty coverage for partsreplaced under warranty.PARTS UNDER WARRANTYContact authorized dealers of this product. If theycanʼt supply original replacement part(s), callDESA Heating Productsʼ Technical Service Dept.at 1-866-672-6040.When calling DESA Heating Products, haveready:• your name• your address• model and serial numbers of your heater• how heater was malfunctioning• purchase dateUsually, we will ask you to return the part to thefactory.PARTS NOT UNDER WARRANTYContact authorized dealers of this product. If theycanʼt supply original replacement part(s), callDESA Heating Products at 1-866-672-6040 forreferral information. Parts dealers are listed inthe Authorized Service Center booklet suppliedwith heater.When calling DESA Heating Products, haveready:• model and serial numbers of your heater• the replacement part numberACCESSORIESPurchase accessories and parts from your nearestdealer or service center. If they can not supplythese accessories or parts, either contact yournearest parts dealer or DESA Heating Productsat 1-866-672-6040 for referral information. PartsCentrals are listed in the Authorized Service Centerbooklet supplied with heater.AIR GAUGE KIT - HA1180For all models. Special tool to check pumppressure.IGNITION CONTROL ASSEMBLY/PHOTOCELL TESTER - HA1170For all models. Special tool used to test the igni-tion control assembly and photocell.