PART # RC-7649M

(RC-7650M for Canada version)

MSRP: $98.33

The Isolator Valve Kit is highly recommended when installing a tankless unit.  If the heater needs maintenance of any kind, it saves a lot of time and money since the shut-off and service valves are both built-in (pressure reflief valve included).

PART # IK-WV-4-TH (threaded) 

PART # IK-WV-4-SW (sweat)

PART # IK-WV-4-POC (push-on)

MSRP: $99.98

For outdoor installation only, the recess box will give more square footage inside the home.  The outdoor recess box eliminates venting while creating a clean installation virtually disappearing in the wall.

Part # RB-600 (RB-6)

MSRP: $176.33

Installation manual