and normal-to-high subcooling

5 oz construction permits direct in-line mounting without the need for additional support brackets

If the switch fails to close

making it the primary replacement for the phased-out 621919R

Modine 3H0370460001 Conversion Kit R-410A and normal-to-high subcoolingThe Modine 3H0370460001 Conversion Kit is a specialized OEM component designed for field converting Modine gas fired unit heaters from liquid propane (LP) to natural gas (NG). As the direct replacement for the discontinued 3H37046 1, this kit ensures a precise fit for legacy and current inventory maintenance. Professional technicians rely on this Modine LP to natural gas conversion kit to handle standard elevation (0 2,000 ft) applications where