Bosch D7050TH Photoelectric Smoke / Heat Detector SF 04/03 The Model PCVS is a

The Model PCVS is a weatherproof and tamper-resistant switch for monitoring the open position of fire sprinkler control valves of the wall and yard post indicator and butterfly types

The KI-PHD detector brings advanced multisensor technology to a practical design that increases efficiency

via a two-wire supervised SLC circuit

Ninja ZX-10R 2004-2005

Bosch D7050TH Photoelectric Smoke / Heat Detector SF 04/03 The Model PCVS is aThe D7050 MUX smoke head and D7050TH MUX smoke head w fixed heat (135F) are UL Listed, openarea photoelectric detectors. They are designed for use with commercial fire protective signaling systems and household fire warning systems (see NFPA 72).