Welcome to Troubleshooting Guides

How to use this guide:
To view a printable PDF document of replacement parts for your heater, select the desired document from the chart below by clicking on the heater series in the chart below.

Serial Number Identification Codes   
(to assist in the identification of manufacturing dates)  

Troubleshooting Guides
Low Intensity Tube Heaters
Industrial	Specialty		Agricultural
HL	HLV		RVA
HL2	LD		RVA2
DX	LS		AG1
DX2	SV		AG2
XTS	DRV
DES
DTHS
High Intensity Heaters
24V & 120V	Millivolt		Manual Ignition
NFS/PFS	NMV-2/PMV-2		NT-2/PT-2
NSPI-8	MB139MS
NSP-4
NE-2
EU 220V Infra-Red Heaters (European Union)
Low Intensity		High Intensity
EDX		DR
EHL
EU 220V Tube Heaters (International - Europe/Asia)
Low Intensity
EDX
EHL
IDX
IHL