This unit features a high-accuracy 1k ohm nickel sensing element (thin-film) with a reference resistance calibrated at 70

this natural burner orifice provides the exact flow rate required to maintain the design manifold pressure and BTU input of the heating system

ensure the included 590-317-599 gasket is seated properly and avoid touching the carbide element with bare hands during installation

This Grade 7 element is designed to withstand continuous operating temperatures up to 150°F (66°C) without compromising the integrity of the filter media

Standardized Connections: 7/8" ODF sweat fittings allow for rapid installation on standard copper liquid lines

Peco Controls TB155-046 Thermostat Els PW 17895 This unit features a high-accuracyThe Peco Controls TB155 046 is a professional grade fan coil thermostat designed for high performance HVAC 2 pipe and 4 pipe systems. Built with a veteran technician's needs in mind, this unit features self configuring circuitry that automatically adjusts to input voltages ranging from 24 to 277 VAC, eliminating the need for separate low and line voltage stocking. Its automatic changeover capability ensures seamless transitions between heating and