Fig. 4-4
DRAIN TRAPS
Since not all water can be drained from sinks and shower trap assemblies, pour 1 pint of
non-toxic anti-freeze into traps.
OPTIONAL THETFORD CASSETTE TOILET
The Thetford Cassette Porta Potti is easily winterized for storage or cold weather use.
1. Empty the fresh water tank using drain tube. Position drain tube outward through
door opening. Pull off the plug and drain water from tank. (Fig. 4-5)
2. Flush a few times by turning the flush knob to drain the pump assembly. (Fig. 4-6)
NOTICE: Cassette has to be in. Empty the cassette afterwards.
3. Empty the water fill funnel by pulling the bottle away from tank. Remove small
water cap at fill bottom, allowing water to drain from water funnel. (Fig. 4-7)
NOTE: Do not tighten caps, this helps in keeping unit dry.
Fig. 4-5
WARNING:
DO NOT use Ethylene Glycol (automotive anti-freeze) or
Methanol (windshield washer anti-freeze) in your fresh water system be-
cause they are harmful and MAY BE FATAL if swallowed. USE ONLY
NON-TOXIC ANTI-FREEZE.
Fig. 4-6
35
Fig. 4-7