McDonnell Miller (144400) 64-HD Head Mechanism for Series 64/764

Model number 64-HD is a head mechanism for model number 64 and 764 controls. Head mechanisms include everything except a float chamber. They allow for quick and easy replacement by removing the bolts on the float chamber and then removing and replacing the new unit, with no need to disrupt piping.

Our shipping rates depend on delivery location as well as the size and weight of the item. Shipping will be calculated during the checkout process.

In you would like to return a product, you must first contact one of Customer Service Specialists for a Return Authorization. All return shipments must be prepaid by the customer. Made-to-order or custom products are non-returnable and non-refundable. Please note that there is a restocking fee for all returns.