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Directional Flow Arrow for Correct Installation
Honeywell AP400 Series Air Purgers Provide Air and Water Separation in Hydronic Heating Systems, Improving Efficiency and Reducing Noise
Solidly Constructed of Cast Iron
The Air Purgers Feature Tappings for Expansion Tank and Auto Air Vent Mounting
Directional Flow Arrow for Correct Installation
Directional Flow Arrow for Correct Installation
Front Diagnostic Lights
Switchable Priority
Built-In Priority Protection
Simplified Wiring
Premium Sealed Relays
Compact Design
Fuse Protected
100 Percent Factory Tested
Isolated End Switch
Contractor Friendly PC Board Layout
Universal Thermostat Compatibility
24 Volt Power Output for Hard Wired Thermostats
Field Replaceable Transformer
UL Approved
Made in USA
Front Diagnostic Lights
Switchable Priority
Built-In Priority Protection
Simplified Wiring
Premium Sealed Relays
Compact Design
Fuse Protected
100 Percent Factory Tested
Isolated End Switch
Contractor Friendly PC Board Layout
Universal Thermostat Compatibility
24 Volt Power Output for Hard Wired Thermostats
Field Replaceable Transformer
UL Approved
Made in USA
Front Diagnostic Lights
Switchable Priority
Built-in Priority Protection
Simplified Wiring
Premium Sealed Relays
Compact Design
Fuse Protected
100% Factory Tested
Isolated End Switch
Contractor Friendly PC Board Layout
Universal Thermostat Compatibility
24 Volt Power Output for hard wired thermostats
Field Replaceable Transformer