AO Smith® Blower/Prover Switch, For Use With: AO Smith® Model BTN 180, BTN 250/A 108 Series Standard Commercial Low NOx Water Heaters
| Suitable For Use With | : | AO Smith® Model BTN 180 and BTN 250/A 108 Series Standard Commercial Low-NOx Water Heaters |
AO Smith® Blower/Prover Switch, For Use With: AO Smith® Model BTN 180, BTN 250/A 108 Series Standard Commercial Low NOx Water Heaters
| Suitable For Use With | : | AO Smith® Model BTN 180 and BTN 250/A 108 Series Standard Commercial Low-NOx Water Heaters |