Required Components And Accessories Checklist

3.REQUIRED COMPONENTS AND ACCESSORIES CHECKLIST

TD-7Z, TD-41Z, TD-7ZDW, TD-41ZDW

COMPONENTS CHECKLIST

The following is a checklist of components required for proper installation of these

BOILER MATE™ models, both Priority and Non-Priority:

A.Separate circulator

•1 each - circulator (4-8 gpm)

•1 each - positive shut-off weighted check valve

B.Use of heating system zone circulator

•1 each - zone valve

C.Also Required:

•4 each - unions

•4 each - shut off valve

•1 each - vacuum breaker

•1 each - T & P relief valve (included)

•1 each - A THERM-X-TROL®expansion tank - REQUIRED IF a Back flow preventer, check valve or pressure reducing valve is installed anywhere between the BOILER MATE™ and the city main.

•As needed - pipe dope or Teflon tape

•Do not forget an EXTROL® and thermal expansion - an expansion tank is required on the boiler side of your system.

If a steel hydropneumatic tank is in place, AMTROL recommends replacing it with a properly sized EXTROL® expansion tank. Otherwise, significant heat transfer problems can occur by causing air to be trapped in the heat exchanger. If the boiler system has an EXTROL® expansion tank and the boiler temperatures are being changed, resize the EXTROL® expansion tank.

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