This kit includes a blocked vent switch and a Peerless 50251 barometric draft regulator. In Canada, it is required for Peerless WB90 hot water boilers that are being vented vertically.
- (1) Peerless 50251 Barometric Draft Regulator
- (1) Blocked Vent Switch
Product Compatible With
- Peerless WB90 Hot Water Boilers