Always verify your specific Lochinvar replacement part number in the service manual

What causes this valve to fail or "hunt"

Does this switch work for standard altitude installations

Key Benefits: Selectable Analog Outputs: On-board DIP switches allow for seamless switching between 4-20 mA

maintaining 100% negative pressure within the vent pipe for maximum safety

Johnson Controls T-5220-1114 Temperature Transmitter Els PW 17895 Always verify your specific LochinvarJohnson Controls T 5220 1114 High Volume Output Pneumatic Temperature Transmitter, 0 to 100 Operating Temperature Range, 40 to 230 Degree Element Temperature Limit, Copper Bulb with 4' Copper Capillary, 3 to 15 Psig Transmitter Output Pressure Range, 1000 SCIM Output Flow Capacity, 25 SCIM Air Consumption, 20 Psig Supply Pressure, 1 8" NPT Barbed Fittings for 5 32" or 1 4" OD Polytubing