Maxitrol RV48-1/2-13 Regulator this defrost tube thermostat is

this defrost tube thermostat is specifically designed to clip onto 3/8" diameter copper tubing for direct temperature sensing

The normally closed contact is frequently used for electrical interlocking

22 standards to ensure consistent wall thickness and perfect fitment with 1-5/8" OD tubing

This specific furnace high limit switch is often identified by cross-reference model 1NP0442 and is common in York

Broad Compatibility: Seamlessly integrates with Maxitrol RV110

Maxitrol RV48-1/2-13 Regulator this defrost tube thermostat isThe Maxitrol RV48 1 2 13 is a field proven appliance gas regulator engineered for high precision control in residential and light commercial systems. Featuring a rugged aluminum die cast housing and a specialized rubber seat poppet, this model is the industry standard for managing main burner and pilot loads where sensitive regulation of low flow rates is critical. With a 1 2" NPT connection and a 1 2 PSI maximum inlet pressure, it effectively