Replacement liquid level switch for Hardy wood furnaces. Fits the following models:

Notes:  

1. For units made prior to 2003. 
2. When installing, make sure the two little magenets (black dots) on the float are face up (opposite of the wires). 

Hardy Wood Furnaces:

• H2
• H4

Hardy part # 1100.15
OEM Hardy part

May fit other models, please check your owner’s manual for part number compatibility.