Caleffi 553642A Filling Valve/Pressure GaugeFilling Valve Pressure Gauge, the Caleffi 553642A, delivers precise filling and accurate pressure monitoring for hydronic systems. This automatic, pre adjustable unit combines a brass body with a PA 66 GF 30 cover and NBR seal to withstand temperatures up to 150F and a pressure rating up to 230 PSI. With a nominal size of 1 2 inch and end connections as male threaded union x female threaded union, it fits typical piping layouts. The end to end

ANZ130601AA

Torque/Rotation: 90 in-lb torque

making it easy to swap into existing backplates without adapters

ensuring deliberate re-enabling after a trip

minimizing downtime during service

This 30-inch thermocouple features a durable stainless steel element and universal mounting

3 GPH flow at 150 PSI for steady delivery

Bacharach 1155903 Oil Burner Combustion Testing Fire Efficiency Finder is a trusted tool for professional HVAC technicians

and is NEC Class II compliant

19" W × 1

Approval: US (Canada and US)

Electrical rating: 110/120 VAC