and standard refrigeration oils

This is an auto-reset temperature control

Slide the HFO-0027 into the designated slider track at the desired high or low limit position

ventilated area

This hot surface ignitor is manufactured from high-durability silicon carbide

Velocity Boiler Works (Crown) 233081 Flue Sensor Kit 30067439-890 and standard refrigeration oilsThe Velocity Boiler Works 233081 Flue Sensor Kit is an essential OEM replacement component engineered for precision monitoring of exhaust gas temperatures in high efficiency condensing boilers. Designed specifically for the BWC series models BWC070, BWC120, and 151, this kit ensures the control board receives accurate thermal feedback to prevent heat exchanger damage and maintain safe combustion parameters. As a critical safety device, the 233081 flue