John Wood ProLine & ProLine Master atmospheric vent gas tanks

ProLine and ProLine Master are John Wood's atmospheric vent residential gas tanks, described by the manufacturer as residential water heaters with commercial-grade quality. The line uses the John Wood Flame Guard safety system, which John Wood states makes the heaters Flammable Vapour Ignition Resistant (FVIR) compliant.

The published feature set is aimed at reliability and serviceability: a turbulator dip tube that reduces sediment build-up at the bottom of the tank, a thermopile pilot design that John Wood says withstands downdrafts and environmental conditions, an easy-to-access combustion chamber, a piezoelectric ignitor for push-button pilot lighting, and an LED indicator that confirms the pilot is lit and provides diagnostics and troubleshooting information. A top-mounted heavy-duty anode rod is fitted for tank protection, and the 75 USG model has 3/4 in side taps for combination applications.

The line is documented here at family level because the per-model capacities, first-hour ratings, inputs and UEF values sit in the official Canadian spec sheet, which is linked for verification along with the installation manual, the separate 75-gallon manual and the warranty sheet. Whether CANRO stocks a given ProLine model for a project is confirmed at consultation, and CANRO names John Wood among the brands it services on its own pages.