Replacement Heat Exchanger, Universal (#298633). Fits M-12, early model M-18, M-20. 2 inch tank diameter, 12 inches overall length.
Note: To provide a new replacement, the old core (including mounting brackets in some cases) must be sent to Monitor Products.
Note: Due to the requirement of providing a core, The manufacturer will provide a shipping label upon purchasing this product and will cover the cost of the core shipment.
Note: Allow for a 2-3 week lead time for order to process upon receiving core.
