W7-001C Zurn Heat Only Thermostat - QHSTHO for residential and light commercial systems. The easy to read display makes this thermostat easy to operate. The QHSTHO is a hard wired unit.
For documentation, visit: http://www.TTherm.com/tthermstore/W7-001C.pdf
http://www.TTherm.com/tthermstore/QHSTHO.pdf
